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/clk/clk_vexpress_osc.c b/drivers/clk/clk_vexpress_osc.c
index 82e589e..ddfc5f6 100644
--- a/drivers/clk/clk_vexpress_osc.c
+++ b/drivers/clk/clk_vexpress_osc.c
@@ -8,6 +8,7 @@
 #include <common.h>
 #include <clk-uclass.h>
 #include <dm.h>
+#include <log.h>
 #include <dm/device_compat.h>
 #include <dm/lists.h>
 #include <errno.h>