Fix p10 fusion test cases for -m32

Fix p10 fusion test cases for -m32

The counts of fusion insns are slightly different for 32-bit compiles
so we need different scan-assembler-times counts for 32 and 64 bit
in the test cases for p10 fusion.

gcc/testsuite/ChangeLog

	* gcc.target/powerpc/fusion-p10-2logical.c: Update fused insn
	counts to test 32 and 64 bit separately.
	* gcc.target/powerpc/fusion-p10-addadd.c: Update fused insn
	counts to test 32 and 64 bit separately.
	* gcc.target/powerpc/fusion-p10-ldcmpi.c: Update fused insn
	counts to test 32 and 64 bit separately.
	* gcc.target/powerpc/fusion-p10-logadd.c: Update fused insn
	counts to test 32 and 64 bit separately.