common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/kosagi/novena/novena.c b/board/kosagi/novena/novena.c
index 4bec2be..b1939f8 100644
--- a/board/kosagi/novena/novena.c
+++ b/board/kosagi/novena/novena.c
@@ -9,6 +9,7 @@
 #include <dm.h>
 #include <eeprom.h>
 #include <init.h>
+#include <log.h>
 #include <dm/device-internal.h>
 #include <ahci.h>
 #include <env.h>
diff --git a/board/kosagi/novena/video.c b/board/kosagi/novena/video.c
index 7083b6e..a97e97a 100644
--- a/board/kosagi/novena/video.c
+++ b/board/kosagi/novena/video.c
@@ -10,6 +10,7 @@
  */
 
 #include <common.h>
+#include <log.h>
 #include <linux/errno.h>
 #include <asm/gpio.h>
 #include <asm/io.h>