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/phy/aquantia.c b/drivers/net/phy/aquantia.c
index e30a7fd..75396de 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -8,6 +8,7 @@
 #include <config.h>
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <net.h>
 #include <phy.h>
 #include <u-boot/crc.h>