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/vsc9953.c b/drivers/net/vsc9953.c
index 93eb2b1..8bad351 100644
--- a/drivers/net/vsc9953.c
+++ b/drivers/net/vsc9953.c
@@ -5,7 +5,9 @@
  *  Driver for the Vitesse VSC9953 L2 Switch
  */
 
+#include <common.h>
 #include <command.h>
+#include <log.h>
 #include <asm/io.h>
 #include <asm/fsl_serdes.h>
 #include <fm_eth.h>