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/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c
index 980b844..b82fe54 100644
--- a/drivers/misc/stm32_rcc.c
+++ b/drivers/misc/stm32_rcc.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <misc.h>
 #include <stm32_rcc.h>
 #include <dm/device-internal.h>