Revert "[moto] arch/arm/mach-omap2/omap4-sar: changes for sar restore"

This reverts commit ff20cec2cdbd4192b2cb3b0bc5e1ea445a5cb14c.

Conflicts:
	arch/arm/plat-omap/include/plat/usb.h

Change-Id: Id559b94d5a354b922e53e6269da60924edf19f35