Unbreak gdb build on 32-bit host with ADI support

Unbreak gdb build on 32-bit host with ADI support

The problem of failing to build with arm-linux-gnueabihf-g++-4.8 was
that type CORE_ADDR is of "unsigned long" on a 64-bit machine so it's
OK to use %lx but is of type "unsigned long long" on a 32 bit system.

Fixed the problem in three places - (1) use a temp variable of type
CORE_ADDR as argument 3 when calling target_auxv_search() then assign
its value to "blksize" and "nbits" in 2 calls; (2) redo
adi_normalize_address() using masks and xor operators to calculate
normalized address; (3) call paddress() to print CORE_ADDR in either
printf_filtered() or error(). Thank you, Pedro, for all your
suggestions.

gdb/ChangeLog:
2017-08-31  Weimin Pan  <weimin.pan@oracle.com>

	* sparc64-tdep.c (adi_stat_t): Fix comment formatting.
	(adi_available): Use a temp variable of type CORE_ADDR as argument
	3 when calling target_auxv_search.
	(adi_normalize_address): Use masks and xor operators to calculate
	normalized address.
	(adi_read_versions, adi_write_versions, adi_print_versions)
	(do_examine, do_assign): Use paddress.