[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/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index ca32c60..883902f 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -12,7 +12,7 @@
 #include <linux/pci.h>
 #include <linux/mbus.h>
 #include <asm/mach/pci.h>
-#include <asm/plat-orion/pcie.h>
+#include <plat/pcie.h>
 
 /*
  * PCIe unit register offsets.