[AArch64] Wire up vqdmullh_laneq_s16 and vqdmullh_laneq_s32

[AArch64] Wire up vqdmullh_laneq_s16 and vqdmullh_laneq_s32

gcc/

	* config/aarch64/aarch64-simd-builtins.def (sqdmull_laneq): Expand
	iterator.
	* config/aarch64/aarch64-simd.md
	(aarch64_sqdmull_laneq<mode>): Expand iterator.
	* config/aarch64/arm_neon.h (vqdmullh_laneq_s16): New.
	(vqdmulls_lane_s32): Fix return type.
	(vqdmulls_laneq_s32): New.

gcc/testsuite/

	* gcc.target/aarch64/simd/vqdmullh_laneq_s16.c: New.
	* gcc.target/aarch64/simd/vqdmulls_laneq_s32.c: Likewise.
	* gcc.target/aarch64/simd/vqdmulls_lane_s32.c: Fix return type.
	* gcc.target/aarch64/scalar_intrinsics.c (test_vqdmulls_s32):  Fix
	return type.

From-SVN: r215722