[ARM] Move include/asm-arm/plat-orion to arch/arm/plat-orion/include/plat

This patch performs the equivalent include directory shuffle for
plat-orion, and fixes up all users.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index a4e4494..0328da0 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -25,7 +25,7 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/memory.h>
-#include <asm/plat-orion/mv_xor.h>
+#include <plat/mv_xor.h>
 #include "mv_xor.h"
 
 static void mv_xor_issue_pending(struct dma_chan *chan);