[GCC][PATCH][ARM]: Change arm constraint name from "e" to "Te".

[GCC][PATCH][ARM]: Change arm constraint name from "e" to "Te".

This patches changes the constraint "e" to "Te".

gcc/ChangeLog:

2020-04-24  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* config/arm/constraints.md (e): Remove constraint.
	(Te): Define constraint.
	* config/arm/mve.md (vaddvq_<supf><mode>): Modify constraint in
	operand 0 from "e" to "Te".
	(vaddvaq_<supf><mode>): Likewise.
	(vaddvq_p_<supf><mode>): Likewise.
	(vmladavq_<supf><mode>): Likewise.
	(vmladavxq_s<mode>): Likewise.
	(vmlsdavq_s<mode>): Likewise.
	(vmlsdavxq_s<mode>): Likewise.
	(vaddvaq_p_<supf><mode>): Likewise.
	(vmladavaq_<supf><mode>): Likewise.
	(vmladavq_p_<supf><mode>): Likewise.
	(vmladavxq_p_s<mode>): Likewise.
	(vmlsdavq_p_s<mode>): Likewise.
	(vmlsdavxq_p_s<mode>): Likewise.
	(vmlsdavaxq_s<mode>): Likewise.
	(vmlsdavaq_s<mode>): Likewise.
	(vmladavaxq_s<mode>): Likewise.
	(vmladavaq_p_<supf><mode>): Likewise.
	(vmladavaxq_p_s<mode>): Likewise.
	(vmlsdavaq_p_s<mode>): Likewise.
	(vmlsdavaxq_p_s<mode>): Likewise.