arm: mach-rmobile: Drop <common.h>

For most source files we can just drop <common.h>. We need to add an
include for <asm/u-boot.h> in a couple of places. Also sort the include
list in memmap-gen3.c while we're here.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
diff --git a/arch/arm/mach-rmobile/cpu_info-rcar.c b/arch/arm/mach-rmobile/cpu_info-rcar.c
index 8fc4cd7..b9d8b5e 100644
--- a/arch/arm/mach-rmobile/cpu_info-rcar.c
+++ b/arch/arm/mach-rmobile/cpu_info-rcar.c
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013,2014 Renesas Electronics Corporation
  */
-#include <common.h>
+
 #include <asm/io.h>
 
 #define PRR_MASK		0x7fff