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/pinctrl/rockchip/pinctrl-rk3188.c b/drivers/pinctrl/rockchip/pinctrl-rk3188.c
index 043764f..afde809 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rk3188.c
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3188.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <dm/pinctrl.h>
 #include <regmap.h>
 #include <syscon.h>