Revert "Enable HAVE_EFFICIENT_UNALIGNED_ACCESS in all Krait cores."

This reverts commit b6a415eaa9a186e82fd58e74d1a70ddaf3f800be.
Revert "update defconfigs"

This reverts commit a659210cf989ee642a4ea6b1d02d5a395a6e4c1c.

Conflicts:

	arch/arm/configs/BBKconfigs/elite_m7
	arch/arm/configs/elite_m7_defconfig