qe: move immap_qe.h from arch directory into common directory

ls1021 is arm-core and supports qe too.
Move immap_qe.h into common directory for both arm and powerpc.

Signed-off-by: Zhao Qiang <B45475@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/arch/powerpc/cpu/mpc83xx/fdt.c b/arch/powerpc/cpu/mpc83xx/fdt.c
index 450a970..f249a58 100644
--- a/arch/powerpc/cpu/mpc83xx/fdt.c
+++ b/arch/powerpc/cpu/mpc83xx/fdt.c
@@ -18,7 +18,7 @@
 
 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
 	(defined(CONFIG_QE) && !defined(CONFIG_MPC831x))
-#include <asm/immap_qe.h>
+#include <linux/immap_qe.h>
 
 void fdt_fixup_muram (void *blob)
 {