soc/intel/apollolake: Perform CPU MP Init before FSP-S Init

As per BWG, CPU MP Init (loading ucode) should be done prior
to BIOS_RESET_CPL. Hence, pull MP Init to BS_DEV_INIT_CHIPS Entry
(before FSP-S call).

BUG=none
BRANCH=none
TEST=Build and boot Reef

Change-Id: I49f336c10d6afb71f3a3b0cb8423c7fa94b6d595
Signed-off-by: Barnali Sarkar <barnali.sarkar@intel.com>
Reviewed-on: https://review.coreboot.org/20037
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/apollolake/chip.c

@@ -147,7 +147,7 @@ static struct device_operations cpu_bus_ops = {
 	.read_resources = DEVICE_NOOP,
 	.set_resources = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
-	.init = apollolake_init_cpus,
+	.init = DEVICE_NOOP,
 	.scan_bus = NULL,
 	.acpi_fill_ssdt_generator = generate_cpu_entries,
 };