drivers/intel/fsp2_0: handle reset requests from FSPS

The FSPS component can request resets. Handle those
generically.

BUG=chrome-os-partner:52679

Change-Id: I41c2da543420102d864e3c5e039fed13632225b4
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15748
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/drivers/intel/fsp2_0/silicon_init.c

@@ -53,6 +53,10 @@ static enum fsp_status do_silicon_init(struct fsp_header *hdr)
 	post_code(POST_FSP_SILICON_INIT);
 
 	printk(BIOS_DEBUG, "FspSiliconInit returned 0x%08x\n", status);
+
+	/* Handle any resets requested by FSPS. */
+	fsp_handle_reset(status);
+
 	return status;
 }