Add __BITS to asm.h (remove from imxuartreg.h)
Add L1_S_AP_KR to genassym.h
Use L1_S_AP_* in omap_start.S and don't include pmap.h

UART driver for i.MX31 and 51.

fix a typo of register bit name.

Merge kernel changes in matt-armv6 to HEAD.