fix commit

Conflicts:
	arch/arm/boot/zImage
fix fix commit
Revert "update BFQ to V7r4"

This reverts commit 81c12935b39fc84c5cfbcabe961045d230725437.
Revert "update BFQ to V7r3"

This reverts commit a92e1aa03a93491836d1a4bce3b70cb574901cdd.
let it build