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/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index d1be3f5..384c0f6 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -15,6 +15,7 @@
 #include <env.h>
 #include <errno.h>
 #include <fastboot.h>
+#include <log.h>
 #include <malloc.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>