Modified for GCC-4.7+ Compiling

Conflicts:
	Makefile
	arch/arm/boot/compressed/Makefile

	modified:   Makefile Modified for GCC-4.7+ Compiling
	modified:   arch/arm/boot/compressed/Makefile Modified for GCC-4.7+ Compiling
	modified:   init/Kconfig Modified for GCC-4.7+ Compiling
smdk4412: frandom

Change-Id: I716c4cd297a8903a937bb158052c3dabe7768815
Modified for GCC-4.7+ Compiling