drivers/intel/fsp2_0: FSP driver handles all FSP errors

Move all FSP error handling into the FSP 2.0 driver.  This removes the
need to implement error handling within the SOC code.

TEST=Build and run on Galileo Gen2

Change-Id: I4d548b4c90d369d3857c24f50f93e7db7e9d3028
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15853
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index 10b71fb..812f663 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -200,8 +200,7 @@
 	 * default policy that doesn't honor boards' requirements. */
 	itss_snapshot_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END);
 
-	if (fsp_silicon_init() != FSP_SUCCESS)
-		die("FSP silicon init failed. Giving up.");
+	fsp_silicon_init();
 
 	/* Restore GPIO IRQ polarities back to previous settings. */
 	itss_restore_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END);
@@ -411,12 +410,9 @@
 {
 
 	enum fsp_notify_phase ph = (enum fsp_notify_phase) arg;
-	enum fsp_status ret;
 
-	if ((ret = fsp_notify(ph)) != FSP_SUCCESS) {
-		printk(BIOS_CRIT, "FspNotify failed, ret = %x!\n", ret);
-		fsp_handle_reset(ret);
-	}
+	fsp_notify(ph);
+
 	/* Call END_OF_FIRMWARE Notify after READY_TO_BOOT Notify */
 	if (ph == READY_TO_BOOT) {
 		fsp_notify_dummy((void *)END_OF_FIRMWARE);