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/phy/bcm6368-usbh-phy.c b/drivers/phy/bcm6368-usbh-phy.c
index 53d1f45..f24e9ff 100644
--- a/drivers/phy/bcm6368-usbh-phy.c
+++ b/drivers/phy/bcm6368-usbh-phy.c
@@ -11,6 +11,7 @@
 #include <clk.h>
 #include <dm.h>
 #include <generic-phy.h>
+#include <log.h>
 #include <malloc.h>
 #include <power-domain.h>
 #include <reset.h>