ARM: EXYNOS: Add secure firmware support for l2x0 init

Signed-off-by: Mauro Ribeiro <git@mdrjr.net>
ARM: EXYNOS: Add USB HSIC device

This patch support to control USB HSIC of exynos4
which is based on Samsung's Jellybean-4.2.2_Beta.

Signed-off-by: Hakjoo Kim <ruppi.kim@hardkernel.com>

Conflicts:
	arch/arm/mach-exynos/include/mach/regs-pmu.h
	arch/arm/mach-exynos/setup-usb-phy.c
	drivers/usb/host/Kconfig