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/fotg210.c b/drivers/usb/gadget/fotg210.c
index 0866ef6..4211eea 100644
--- a/drivers/usb/gadget/fotg210.c
+++ b/drivers/usb/gadget/fotg210.c
@@ -10,6 +10,7 @@
 #include <command.h>
 #include <config.h>
 #include <cpu_func.h>
+#include <log.h>
 #include <net.h>
 #include <malloc.h>
 #include <asm/io.h>