ARM: imx: add msl support for imx7d

Add i.MX7D MSL support.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.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/anatop.c
Simple merge

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

diff --cc arch/arm/mach-imx/mach-imx7d.c
Simple merge

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