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/drivers/bootcount/bootcount.c b/drivers/bootcount/bootcount.c
index 3ad4413..e0343f7 100644
--- a/drivers/bootcount/bootcount.c
+++ b/drivers/bootcount/bootcount.c
@@ -36,7 +36,7 @@
 #endif /* defined(CONFIG_MPC8260) */
 
 #if defined(CONFIG_QE)
-#include <asm/immap_qe.h>
+#include <linux/immap_qe.h>
 
 #define CONFIG_SYS_BOOTCOUNT_ADDR	(CONFIG_SYS_IMMR + 0x110000 + \
 					 QE_MURAM_SIZE - 2 * sizeof(u32))