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/power/domain/imx8-power-domain.c b/drivers/power/domain/imx8-power-domain.c
index 571146e..6461ab2 100644
--- a/drivers/power/domain/imx8-power-domain.c
+++ b/drivers/power/domain/imx8-power-domain.c
@@ -6,6 +6,7 @@
 #define DEBUG
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <malloc.h>
 #include <power-domain-uclass.h>
 #include <asm/arch/power-domain.h>