rs6000: Fix gcc.target/powerpc testsuite target requirements.

rs6000: Fix gcc.target/powerpc testsuite target requirements.

gcc/testsuite/ChangeLog

2020-06-30  David Edelsohn  <dje.gcc@gmail.com>

	* gcc.target/powerpc/builtins-1-p9-runnable.c: Fix target requirements.
	* gcc.target/powerpc/builtins-1.c: Same.
	* gcc.target/powerpc/builtins-2-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-2.c: Same.
	* gcc.target/powerpc/builtins-3-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-3-p9.c: Same.
	* gcc.target/powerpc/builtins-3-runnable-p8.c: Same.
	* gcc.target/powerpc/builtins-3.c: Same.
	* gcc.target/powerpc/builtins-4-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-4.c: Same.
	* gcc.target/powerpc/builtins-5-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-5.c: Same.
	* gcc.target/powerpc/builtins-6-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-6-runnable.c: Same.
	* gcc.target/powerpc/builtins-7-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-7-runnable.c: Same.
	* gcc.target/powerpc/builtins-8-p9-runnable.c: Same.
	* gcc.target/powerpc/builtins-8-runnable.c: Same.
	* gcc.target/powerpc/cpu-builtin-1.c: Same.
	* gcc.target/powerpc/float128-fma1.c: Same.
	* gcc.target/powerpc/float128-hw.c: Same.
	* gcc.target/powerpc/float128-hw10.c: Same.
	* gcc.target/powerpc/float128-hw11.c: Same.
	* gcc.target/powerpc/float128-hw2.c: Same.
	* gcc.target/powerpc/float128-hw3.c: Same.
	* gcc.target/powerpc/float128-hw4.c: Same.
	* gcc.target/powerpc/float128-hw5.c: Same.
	* gcc.target/powerpc/float128-hw6.c: Same.
	* gcc.target/powerpc/float128-hw7.c: Same.
	* gcc.target/powerpc/float128-hw8.c: Same.
	* gcc.target/powerpc/float128-hw9.c: Same.
	* gcc.target/powerpc/float128-minmax.c: Same.
	* gcc.target/powerpc/float128-odd.c: Same.
	* gcc.target/powerpc/float128-sqrt1.c: Same.