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_i2c.c b/drivers/misc/cros_ec_i2c.c
index cdd55f5..c00f5f7 100644
--- a/drivers/misc/cros_ec_i2c.c
+++ b/drivers/misc/cros_ec_i2c.c
@@ -16,6 +16,7 @@
 #include <dm.h>
 #include <i2c.h>
 #include <cros_ec.h>
+#include <log.h>
 
 #ifdef DEBUG_TRACE
 #define debug_trace(fmt, b...)	debug(fmt, #b)