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/input/cros_ec_keyb.c b/drivers/input/cros_ec_keyb.c
index 8c1a25c..6f12ec8 100644
--- a/drivers/input/cros_ec_keyb.c
+++ b/drivers/input/cros_ec_keyb.c
@@ -12,6 +12,7 @@
 #include <input.h>
 #include <keyboard.h>
 #include <key_matrix.h>
+#include <log.h>
 #include <stdio_dev.h>
 
 enum {