ARM: imx: add i.mx6ul msl support

i.MX6UL is a new SOC, add MSL support

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --cc arch/arm/mach-imx/Kconfig
Simple merge

diff --cc arch/arm/mach-imx/Makefile
Simple merge

diff --cc arch/arm/mach-imx/cpu.c
Simple merge

diff --cc arch/arm/mach-imx/mach-imx6ul.c
Simple merge

diff --cc arch/arm/mach-imx/mxc.h
Simple merge