Adjust readelf's output so that section symbols without a name as shown with their...

Adjust readelf's output so that section symbols without a name as shown with their section name.

binutils* readelf.c (print_dynamic_symbol): Print the section name for
	section symbols without a name of their own.
	* testsuite/binutils-all/mips/global-local-symtab-sort-n64t.d:
	Adjust expected output to allow for named section symbols.
	* testsuite/binutils-all/mips/global-local-symtab-sort-o32t.d:
	Likewise.
	* testsuite/binutils-all/readelf.s-64: Likewise.
	* testsuite/binutils-all/readelf.ss-64-unused: Likewise.
	* testsuite/binutils-all/readelf.ss-tmips: Likewise.
	* testsuite/binutils-all/readelf.ss-unused: Likewise.

ld	* testsuite/ld-aarch64/variant_pcs-now.d: Adjust expected output
	to allow for named section symbols.
	* testsuite/ld-aarch64/variant_pcs-r.d: Likewise.
	* testsuite/ld-aarch64/variant_pcs-shared.d: Likewise.
	* testsuite/ld-alpha/tlsbin.rd: Likewise.
	* testsuite/ld-alpha/tlsbinr.rd: Likewise.
	* testsuite/ld-alpha/tlspic.rd: Likewise.
	* testsuite/ld-arm/rodata-merge-map.sym: Likewise.
	* testsuite/ld-arm/script-type.sym: Likewise.
	* testsuite/ld-cris/libdso-2.d: Likewise.
	* testsuite/ld-cris/pr16044.d: Likewise.
	* testsuite/ld-elf/sec64k.exp: Likewise.
	* testsuite/ld-ia64/tlsbin.rd: Likewise.
	* testsuite/ld-ia64/tlspic.rd: Likewise.
	* testsuite/ld-mips-elf/global-local-symtab-sort-n64t.d: Likewise.
	* testsuite/ld-mips-elf/global-local-symtab-sort-o32t.d: Likewise.
	* testsuite/ld-mmix/bspec1.d: Likewise.
	* testsuite/ld-mmix/bspec2.d: Likewise.
	* testsuite/ld-mmix/local1.d: Likewise.
	* testsuite/ld-mmix/local3.d: Likewise.
	* testsuite/ld-mmix/local5.d: Likewise.
	* testsuite/ld-mmix/local7.d: Likewise.
	* testsuite/ld-mmix/undef-3.d: Likewise.
	* testsuite/ld-powerpc/tlsso.r: Likewise.
	* testsuite/ld-powerpc/tlsso32.r: Likewise.
	* testsuite/ld-powerpc/tlstocso.r: Likewise.
	* testsuite/ld-s390/tlsbin.rd: Likewise.
	* testsuite/ld-s390/tlsbin_64.rd: Likewise.
	* testsuite/ld-s390/tlspic.rd: Likewise.
	* testsuite/ld-s390/tlspic_64.rd: Likewise.
	* testsuite/ld-sparc/gotop32.rd: Likewise.
	* testsuite/ld-sparc/gotop64.rd: Likewise.
	* testsuite/ld-sparc/tlssunbin32.rd: Likewise.
	* testsuite/ld-sparc/tlssunbin64.rd: Likewise.
	* testsuite/ld-sparc/tlssunnopic32.rd: Likewise.
	* testsuite/ld-sparc/tlssunnopic64.rd: Likewise.
	* testsuite/ld-sparc/tlssunpic32.rd: Likewise.
	* testsuite/ld-sparc/tlssunpic64.rd: Likewise.
	* testsuite/ld-tic6x/common.d: Likewise.
	* testsuite/ld-tic6x/shlib-1.rd: Likewise.
	* testsuite/ld-tic6x/shlib-1b.rd: Likewise.
	* testsuite/ld-tic6x/shlib-1r.rd: Likewise.
	* testsuite/ld-tic6x/shlib-1rb.rd: Likewise.
	* testsuite/ld-tic6x/shlib-app-1.rd: Likewise.
	* testsuite/ld-tic6x/shlib-app-1b.rd: Likewise.
	* testsuite/ld-tic6x/shlib-app-1r.rd: Likewise.
	* testsuite/ld-tic6x/shlib-app-1rb.rd: Likewise.
	* testsuite/ld-tic6x/shlib-noindex.rd: Likewise.
	* testsuite/ld-tic6x/static-app-1.rd: Likewise.
	* testsuite/ld-tic6x/static-app-1b.rd: Likewise.
	* testsuite/ld-tic6x/static-app-1r.rd: Likewise.
	* testsuite/ld-tic6x/static-app-1rb.rd: Likewise.

gas	* testsuite/gas/aarch64/dwarf.d: Adjust expected output to allow
	for named section symbols.
	* testsuite/gas/arm/thumbver.d: Likewise.
	* testsuite/gas/bfin/loop_temps.d: Likewise.
	* testsuite/gas/elf/section2.e-arc: Likewise.
	* testsuite/gas/elf/section2.e-arm: Likewise.
	* testsuite/gas/elf/section2.e-csky: Likewise.
	* testsuite/gas/elf/section2.e-m32r: Likewise.
	* testsuite/gas/elf/section2.e-mips: Likewise.
	* testsuite/gas/elf/section2.e-msp430: Likewise.
	* testsuite/gas/elf/section2.e-riscv: Likewise.
	* testsuite/gas/elf/section2.e-rl78: Likewise.
	* testsuite/gas/elf/section2.e-rx: Likewise.
	* testsuite/gas/elf/section2.e-score: Likewise.
	* testsuite/gas/elf/section2.e-tic6x: Likewise.
	* testsuite/gas/elf/section2.e-unused: Likewise.
	* testsuite/gas/elf/section2.e-v850: Likewise.
	* testsuite/gas/elf/section2.e-xtensa: Likewise.
	* testsuite/gas/ia64/alias-ilp32.d: Likewise.
	* testsuite/gas/ia64/alias.d: Likewise.
	* testsuite/gas/ia64/global.d: Likewise.
	* testsuite/gas/microblaze/relax_size.elf: Likewise.
	* testsuite/gas/microblaze/relax_size2.elf: Likewise.
	* testsuite/gas/mips/global-local-symtab-sort-n64t.d: Likewise.
	* testsuite/gas/mips/global-local-symtab-sort-o32t.d: Likewise.
	* testsuite/gas/mmix/bspec-1.d: Likewise.
	* testsuite/gas/mmix/byte-1.d: Likewise.
	* testsuite/gas/mmix/comment-1.d: Likewise.
	* testsuite/gas/mmix/loc-1.d: Likewise.
	* testsuite/gas/mmix/loc-2.d: Likewise.
	* testsuite/gas/mmix/loc-3.d: Likewise.
	* testsuite/gas/mmix/loc-4.d: Likewise.
	* testsuite/gas/mmix/loc-5.d: Likewise.
	* testsuite/gas/tic6x/scomm-directive-4.d: Likewise.