google/kahlee: Move mainboard_ec_init to chip init phase

Move mainboard_ec_init out of mainboard enable to the more
appropriate mainboard init phase.

Change-Id: Ieabcecf70e4de0b42fc639d031755b6d0b66f08a
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/20312
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/google/kahlee/mainboard.c

@@ -76,7 +76,10 @@ static void pirq_setup(void)
 	picr_data_ptr = mainboard_picr_data;
 }
 
-
+static void mainboard_init(void *chip_info)
+{
+	mainboard_ec_init();
+}
 
 /*************************************************
  * Dedicated mainboard function
@@ -88,10 +91,9 @@ static void kahlee_enable(device_t dev)
 
 	/* Initialize the PIRQ data structures for consumption */
 	pirq_setup();
-
-	mainboard_ec_init();
 }
 
 struct chip_operations mainboard_ops = {
+	.init = mainboard_init,
 	.enable_dev = kahlee_enable,
 };