soc/intel/baytrail: use mp_cpu_bus_init

Implement mp_init_cpus and use mp_cpu_bus_init as init function in
cpu_bus_ops.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I057ae8d95bdc510e9e7afb144b692531107fa45d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58506
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/soc/intel/baytrail/chip.c b/src/soc/intel/baytrail/chip.c
index c7eb149..1f72dc4 100644
--- a/src/soc/intel/baytrail/chip.c
+++ b/src/soc/intel/baytrail/chip.c
@@ -17,7 +17,7 @@
 static struct device_operations cpu_bus_ops = {
 	.read_resources   = noop_read_resources,
 	.set_resources    = noop_set_resources,
-	.init             = baytrail_init_cpus,
+	.init             = mp_cpu_bus_init,
 };
 
 static void enable_dev(struct device *dev)