common: Drop image.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index f7303b7..592ac97 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -15,6 +15,7 @@
 #include <fdt_support.h>
 #include <hang.h>
 #include <image.h>
+#include <lmb.h>
 #include <asm/cache.h>
 #include <u-boot/zlib.h>
 #include <asm/byteorder.h>