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/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c
index 37f8a46..5a6aa82 100644
--- a/board/renesas/rcar-common/common.c
+++ b/board/renesas/rcar-common/common.c
@@ -11,6 +11,7 @@
 #include <dm.h>
 #include <dm/uclass-internal.h>
 #include <asm/arch/rmobile.h>
+#include <linux/libfdt.h>
 
 #ifdef CONFIG_RCAR_GEN3
 
diff --git a/board/renesas/rcar-common/gen3-spl.c b/board/renesas/rcar-common/gen3-spl.c
index d9741c1..a3e2aeb 100644
--- a/board/renesas/rcar-common/gen3-spl.c
+++ b/board/renesas/rcar-common/gen3-spl.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <image.h>
 #include <asm/io.h>
 #include <spl.h>
 
diff --git a/board/renesas/salvator-x/salvator-x.c b/board/renesas/salvator-x/salvator-x.c
index 91c3728..ecf0dde 100644
--- a/board/renesas/salvator-x/salvator-x.c
+++ b/board/renesas/salvator-x/salvator-x.c
@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <image.h>
 #include <malloc.h>
 #include <netdev.h>
 #include <dm.h>
diff --git a/board/renesas/ulcb/ulcb.c b/board/renesas/ulcb/ulcb.c
index b91f940..04ca495 100644
--- a/board/renesas/ulcb/ulcb.c
+++ b/board/renesas/ulcb/ulcb.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <image.h>
 #include <malloc.h>
 #include <netdev.h>
 #include <dm.h>