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.c b/arch/arm/mach-rmobile/cpu_info.c
index 6804b1d..895c0f5 100644
--- a/arch/arm/mach-rmobile/cpu_info.c
+++ b/arch/arm/mach-rmobile/cpu_info.c
@@ -3,7 +3,7 @@
  * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
  * (C) Copyright 2012-2021 Renesas Solutions Corp.
  */
-#include <common.h>
+
 #include <cpu_func.h>
 #include <asm/cache.h>
 #include <init.h>