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/imx/clk-imx8qm.c b/drivers/clk/imx/clk-imx8qm.c
index a6b09d2..54fb09f 100644
--- a/drivers/clk/imx/clk-imx8qm.c
+++ b/drivers/clk/imx/clk-imx8qm.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <clk-uclass.h>
 #include <dm.h>
+#include <log.h>
 #include <asm/arch/sci/sci.h>
 #include <asm/arch/clock.h>
 #include <dt-bindings/clock/imx8qm-clock.h>