arm: [MVE intrinsics] rework vshllbq vshlltq

Implement vshllbq and vshlltq using the new MVE builtins framework.

2022-09-08  Christophe Lyon  <christophe.lyon@arm.com>

	gcc/
	* config/arm/arm-mve-builtins-base.cc (vshllbq, vshlltq): New.
	* config/arm/arm-mve-builtins-base.def (vshllbq, vshlltq): New.
	* config/arm/arm-mve-builtins-base.h (vshllbq, vshlltq): New.
	* config/arm/arm_mve.h (vshlltq): Remove.
	(vshllbq): Remove.
	(vshllbq_m): Remove.
	(vshlltq_m): Remove.
	(vshllbq_x): Remove.
	(vshlltq_x): Remove.
	(vshlltq_n_u8): Remove.
	(vshllbq_n_u8): Remove.
	(vshlltq_n_s8): Remove.
	(vshllbq_n_s8): Remove.
	(vshlltq_n_u16): Remove.
	(vshllbq_n_u16): Remove.
	(vshlltq_n_s16): Remove.
	(vshllbq_n_s16): Remove.
	(vshllbq_m_n_s8): Remove.
	(vshllbq_m_n_s16): Remove.
	(vshllbq_m_n_u8): Remove.
	(vshllbq_m_n_u16): Remove.
	(vshlltq_m_n_s8): Remove.
	(vshlltq_m_n_s16): Remove.
	(vshlltq_m_n_u8): Remove.
	(vshlltq_m_n_u16): Remove.
	(vshllbq_x_n_s8): Remove.
	(vshllbq_x_n_s16): Remove.
	(vshllbq_x_n_u8): Remove.
	(vshllbq_x_n_u16): Remove.
	(vshlltq_x_n_s8): Remove.
	(vshlltq_x_n_s16): Remove.
	(vshlltq_x_n_u8): Remove.
	(vshlltq_x_n_u16): Remove.
	(__arm_vshlltq_n_u8): Remove.
	(__arm_vshllbq_n_u8): Remove.
	(__arm_vshlltq_n_s8): Remove.
	(__arm_vshllbq_n_s8): Remove.
	(__arm_vshlltq_n_u16): Remove.
	(__arm_vshllbq_n_u16): Remove.
	(__arm_vshlltq_n_s16): Remove.
	(__arm_vshllbq_n_s16): Remove.
	(__arm_vshllbq_m_n_s8): Remove.
	(__arm_vshllbq_m_n_s16): Remove.
	(__arm_vshllbq_m_n_u8): Remove.
	(__arm_vshllbq_m_n_u16): Remove.
	(__arm_vshlltq_m_n_s8): Remove.
	(__arm_vshlltq_m_n_s16): Remove.
	(__arm_vshlltq_m_n_u8): Remove.
	(__arm_vshlltq_m_n_u16): Remove.
	(__arm_vshllbq_x_n_s8): Remove.
	(__arm_vshllbq_x_n_s16): Remove.
	(__arm_vshllbq_x_n_u8): Remove.
	(__arm_vshllbq_x_n_u16): Remove.
	(__arm_vshlltq_x_n_s8): Remove.
	(__arm_vshlltq_x_n_s16): Remove.
	(__arm_vshlltq_x_n_u8): Remove.
	(__arm_vshlltq_x_n_u16): Remove.
	(__arm_vshlltq): Remove.
	(__arm_vshllbq): Remove.
	(__arm_vshllbq_m): Remove.
	(__arm_vshlltq_m): Remove.
	(__arm_vshllbq_x): Remove.
	(__arm_vshlltq_x): Remove.