Apply Cortex-A15 optimizations for Krait

Previous patch just takes care of Denver, we'd like our Krait to get the same treatment :)

Signed-off-by: arter97 <qkrwngud825@gmail.com>

Conflicts:
	core/combo/arch/arm/armv7-a-neon.mk

(cherry picked from commit 8c48d03df78c6c09fd5a8b8b2c5a144d0831447b)