lib: remove assets infrastructure

Now that only CBFS access is supported for finding resources
within the boot media the assets infrastructure can be removed.
Remove it.

BUG=chromium:445938
BRANCH=None
TEST=Built and ran on glados.

Change-Id: I383fd6579280cf9cfe5a18c2851baf74cad004e9
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12690
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/drivers/intel/fsp1_1/car.c b/src/drivers/intel/fsp1_1/car.c
index 23312e1..b525a62 100644
--- a/src/drivers/intel/fsp1_1/car.c
+++ b/src/drivers/intel/fsp1_1/car.c
@@ -79,7 +79,7 @@
 	/* Need to locate the current FSP_INFO_HEADER. The cache-as-ram
 	 * is still enabled. We can directly access work buffer here. */
 	FSP_INFO_HEADER *fih;
-	struct prog fsp = PROG_INIT(ASSET_REFCODE, "fsp.bin");
+	struct prog fsp = PROG_INIT(PROG_REFCODE, "fsp.bin");
 
 	console_init();