ARM: OMAP1: Move most of plat/io.h into local iomap.h

There's no need to have these in plat/io.h.

While at it, clean up the includes to group them
like they typically are grouped.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c
index 91d199b..f255b15 100644
--- a/arch/arm/mach-omap1/reset.c
+++ b/arch/arm/mach-omap1/reset.c
@@ -4,9 +4,10 @@
 #include <linux/kernel.h>
 #include <linux/io.h>
 
-#include <mach/hardware.h>
 #include <plat/prcm.h>
 
+#include <mach/hardware.h>
+
 void omap1_restart(char mode, const char *cmd)
 {
 	/*