Squashed update of kernel from 3.4.72 to 3.4.73

Conflicts:
	drivers/mmc/card/block.c
Fix derp
bcmdhd: update to 1.88.51 from gpe 4.4

Change-Id: Ide40296c73e000798e174c9043a4cb8ec6a82639
exfat modules force load
Enable forced module loading