common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/bootcount/rtc.c

@@ -6,6 +6,7 @@
 #include <common.h>
 #include <bootcount.h>
 #include <dm.h>
+#include <log.h>
 #include <rtc.h>
 
 static const u8 bootcount_magic = 0xbc;