Linux 3.4.1 -> 3.4.74

Conflicts:
	arch/arm/Makefile
	arch/arm/mm/dma-mapping.c
	drivers/mmc/card/block.c
	drivers/mmc/core/cd-gpio.c
	drivers/mmc/host/sdhci.c
	drivers/mtd/mtdchar.c
	drivers/staging/zsmalloc/zsmalloc-main.c
	drivers/uio/uio.c
	drivers/usb/core/hub.c
	drivers/usb/dwc3/gadget.c
	drivers/usb/gadget/f_mass_storage.c
	drivers/usb/host/xhci-hub.c
	drivers/usb/host/xhci.h
	drivers/video/au1100fb.c
	drivers/video/au1200fb.c
	fs/buffer.c
	fs/ext4/xattr.c
	include/linux/kref.h
	include/sound/core.h
	kernel/events/core.c
	kernel/hrtimer.c
	mm/vmscan.c
	net/ipv6/addrconf.c
	net/wireless/reg.c