AArch64: rename the SVE2 psel intrinsics to psel_lane [PR116371]

AArch64: rename the SVE2 psel intrinsics to psel_lane [PR116371]

The psel intrinsics. similar to the pext, should be name psel_lane.  This
corrects the naming.

gcc/ChangeLog:

	PR target/116371
	* config/aarch64/aarch64-sve-builtins-sve2.cc (class svpsel_impl):
	Renamed to ...
	(class svpsel_lane_impl): ... This and adjust initialization.
	* config/aarch64/aarch64-sve-builtins-sve2.def (svpsel): Renamed to ...
	(svpsel_lane): ... This.
	* config/aarch64/aarch64-sve-builtins-sve2.h (svpsel): Renamed to
	svpsel_lane.

gcc/testsuite/ChangeLog:

	PR target/116371
	* gcc.target/aarch64/sme2/acle-asm/psel_b16.c,
	gcc.target/aarch64/sme2/acle-asm/psel_b32.c,
	gcc.target/aarch64/sme2/acle-asm/psel_b64.c,
	gcc.target/aarch64/sme2/acle-asm/psel_b8.c,
	gcc.target/aarch64/sme2/acle-asm/psel_c16.c,
	gcc.target/aarch64/sme2/acle-asm/psel_c32.c,
	gcc.target/aarch64/sme2/acle-asm/psel_c64.c,
	gcc.target/aarch64/sme2/acle-asm/psel_c8.c: Renamed to....
	* gcc.target/aarch64/sme2/acle-asm/psel_lane_b16.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_b32.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_b64.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_b8.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_c16.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_c32.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_c64.c,
	gcc.target/aarch64/sme2/acle-asm/psel_lane_c8.c: ... These.