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/arm/mach-k3/security.c b/arch/arm/mach-k3/security.c
index dd7c998..256b052 100644
--- a/arch/arm/mach-k3/security.c
+++ b/arch/arm/mach-k3/security.c
@@ -10,6 +10,7 @@
 #include <cpu_func.h>
 #include <dm.h>
 #include <hang.h>
+#include <image.h>
 #include <asm/cache.h>
 #include <linux/soc/ti/ti_sci_protocol.h>
 #include <mach/spl.h>