remove more xmalloc in bfd

remove more xmalloc in bfd

Also fixes m68hc1x printf arguments which would have bombed when
compiling on a 32-bit host with --enable-64-bit-bfd.

bfd/
	PR 24955
	* elf32-arm.c (set_cmse_veneer_addr_from_implib): Use bfd_malloc
	rather than xmalloc.
	* elf32-m68hc1x.c (reloc_warning): New function.
	(elf32_m68hc11_relocate_section): Use it here.  Cast bfd_vma values
	corresponding to %lx in format strings.
	* elf32-nds32.c (nds32_insertion_sort): Use a stack temporary.
gas/
	* config/tc-nds32.c (nds32_set_section_relocs): Use relocs and n
	parameters rather than equivalent sec->orelocation and
	sec->reloc_count.  Don't sort for n <= 1.  Tidy.