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/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c
index a68eb80..4dff9e0 100644
--- a/arch/arm/mach-rmobile/memmap-gen3.c
+++ b/arch/arm/mach-rmobile/memmap-gen3.c
@@ -5,10 +5,10 @@
  * Copyright (C) 2017 Marek Vasut <marek.vasut@gmail.com>
  */
 
-#include <common.h>
-#include <cpu_func.h>
 #include <asm/armv8/mmu.h>
 #include <asm/global_data.h>
+#include <asm/u-boot.h>
+#include <cpu_func.h>
 
 #define GEN3_NR_REGIONS 16