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/freescale/ls1043aqds/ddr.c b/board/freescale/ls1043aqds/ddr.c
index d29a3ad..c0fc9aa 100644
--- a/board/freescale/ls1043aqds/ddr.c
+++ b/board/freescale/ls1043aqds/ddr.c
@@ -9,6 +9,7 @@
 #ifdef CONFIG_FSL_DEEP_SLEEP
 #include <fsl_sleep.h>
 #endif
+#include <log.h>
 #include <asm/arch/clock.h>
 #include "ddr.h"