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/romstage.c b/src/soc/intel/apollolake/romstage.c
index da7fcf1..8f17fdd 100644
--- a/src/soc/intel/apollolake/romstage.c
+++ b/src/soc/intel/apollolake/romstage.c
@@ -114,11 +114,7 @@
 	console_init();
 
 	s3wake = fill_power_state(ps) == ACPI_S3;
-
-	if (fsp_memory_init(s3wake) != FSP_SUCCESS) {
-		die("FSP memory init failed. Giving up.");
-	}
-
+	fsp_memory_init(s3wake);
 	if (postcar_frame_init(&pcf, 1*KiB))
 		die("Unable to initialize postcar frame.\n");