OMAP4/5: Make the sysctrl structure common

Make the sysctrl structure common, so that it can
be used in generic functions across socs.
Also change the base address of the system control module, to
include all the registers and not simply the io regs.

Signed-off-by: R Sricharan <r.sricharan@ti.com>
diff --git a/arch/arm/cpu/armv7/omap4/hwinit.c b/arch/arm/cpu/armv7/omap4/hwinit.c
index afa5484..187e938 100644
--- a/arch/arm/cpu/armv7/omap4/hwinit.c
+++ b/arch/arm/cpu/armv7/omap4/hwinit.c
@@ -59,8 +59,8 @@
 	u32 lpddr2io;
 	struct control_lpddr2io_regs *lpddr2io_regs =
 		(struct control_lpddr2io_regs *)LPDDR2_IO_REGS_BASE;
-	struct omap4_sys_ctrl_regs *const ctrl =
-		(struct omap4_sys_ctrl_regs *)SYSCTRL_GENERAL_CORE_BASE;
+	struct omap_sys_ctrl_regs *const ctrl =
+		(struct omap_sys_ctrl_regs *)SYSCTRL_GENERAL_CORE_BASE;
 
 	u32 omap4_rev = omap_revision();