1.modify exynos pinmux. add exynos4 srom ops
2.exynos4412 add lan9215 net. but do not work!
	modified:   arch/arm/cpu/armv7/exynos/pinmux.c
	modified:   board/samsung/exynos4412/exynos4412.c
	modified:   include/configs/exynos4412.h