Merge remote-tracking branch 'etrd/rel-15' into scoop-grouper-t30-rel-15

Conflicts:
	arch/arm/configs/tegra3_android_defconfig
	arch/arm/mach-tegra/tegra3_emc.c
	arch/arm/mach-tegra/tegra3_emc.h
	drivers/input/keyboard/gpio_keys.c
	drivers/net/wireless/bcmdhd/Makefile
	drivers/net/wireless/bcmdhd/bcmsdh_sdmmc_linux.c
	drivers/usb/gadget/fsl_udc_core.c
	sound/soc/tegra/Makefile
	sound/soc/tegra/tegra_rt5640.c

Change-Id: I674153362ab9abd76c1e6abea20f6d15a4349108