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/drivers/net/fm/eth.c b/drivers/net/fm/eth.c
index 1d0c998..f3ce2ac 100644
--- a/drivers/net/fm/eth.c
+++ b/drivers/net/fm/eth.c
@@ -5,6 +5,7 @@
  *	Dave Liu <daveliu@freescale.com>
  */
 #include <common.h>
+#include <log.h>
 #include <part.h>
 #include <asm/io.h>
 #ifdef CONFIG_DM_ETH