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/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c
index 9dd6a18..c9fa7ab 100644
--- a/drivers/misc/cros_ec_sandbox.c
+++ b/drivers/misc/cros_ec_sandbox.c
@@ -11,6 +11,7 @@
 #include <ec_commands.h>
 #include <errno.h>
 #include <hash.h>
+#include <log.h>
 #include <os.h>
 #include <u-boot/sha256.h>
 #include <spi.h>