arm: [MVE intrinsics] rework vpselq

arm: [MVE intrinsics] rework vpselq

Implement vpselq using the new MVE builtins framework.

2022-12-12  Christophe Lyon  <christophe.lyon@arm.com>

	gcc/
	* config/arm/arm-mve-builtins-base.cc (vpselq): New.
	* config/arm/arm-mve-builtins-base.def (vpselq): New.
	* config/arm/arm-mve-builtins-base.h (vpselq): New.
	* config/arm/arm_mve.h (vpselq): Remove.
	(vpselq_u8): Remove.
	(vpselq_s8): Remove.
	(vpselq_u16): Remove.
	(vpselq_s16): Remove.
	(vpselq_u32): Remove.
	(vpselq_s32): Remove.
	(vpselq_u64): Remove.
	(vpselq_s64): Remove.
	(vpselq_f16): Remove.
	(vpselq_f32): Remove.
	(__arm_vpselq_u8): Remove.
	(__arm_vpselq_s8): Remove.
	(__arm_vpselq_u16): Remove.
	(__arm_vpselq_s16): Remove.
	(__arm_vpselq_u32): Remove.
	(__arm_vpselq_s32): Remove.
	(__arm_vpselq_u64): Remove.
	(__arm_vpselq_s64): Remove.
	(__arm_vpselq_f16): Remove.
	(__arm_vpselq_f32): Remove.
	(__arm_vpselq): Remove.