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.c b/drivers/misc/cros_ec.c
index c145b67..818ad56 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -22,6 +22,7 @@
 #include <i2c.h>
 #include <cros_ec.h>
 #include <fdtdec.h>
+#include <log.h>
 #include <malloc.h>
 #include <spi.h>
 #include <linux/errno.h>