imx: imx-common: move lcdif structure and macro definition to imx-common

Move 'struct mxs_lcdif_regs' and lcdif related macro definitions to
arch/arm/include/asm/imx-common/regs-lcdif.h.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>

arch/arm/include/asm/arch-mxs/imx-regs.h

@@ -15,8 +15,8 @@
 #include <asm/imx-common/regs-bch.h>
 #include <asm/arch/regs-digctl.h>
 #include <asm/imx-common/regs-gpmi.h>
+#include <asm/imx-common/regs-lcdif.h>
 #include <asm/arch/regs-i2c.h>
-#include <asm/arch/regs-lcdif.h>
 #include <asm/arch/regs-lradc.h>
 #include <asm/arch/regs-ocotp.h>
 #include <asm/arch/regs-pinctrl.h>