Fix up dg-option to resolve problems reported by David Edelshon for AIX.

2017-05-17  Steven Munroe  <munroesj@gcc.gnu.org>

	* gcc.target/powerpc/bmi-andn-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-andn-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-bextr-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-bextr-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-bextr-4.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-bextr-5.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-blsi-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-blsi-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-blsmsk-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-blsmsk-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-blsr-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-blsr-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-tzcnt-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi-tzcnt-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-bzhi32-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-bzhi64-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-bzhi64-1a.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-mulx32-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-mulx32-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-mulx64-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-mulx64-2.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-pdep32-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-pdep64-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-pext32-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-pext64-1.c: Fix-up dg-options.
	* gcc.target/powerpc/bmi2-pext64-1a.c: Fix-up dg-options.

From-SVN: r248201