security/vboot: Make mrc_cache hash functions generic

We need to extend the functionality of the mrc_cache hash functions to
work for both recovery and normal mrc_cache data.  Updating the API of
these functions to pass in an index to identify the hash indices for
recovery and normal mode.

BUG=b:150502246
BRANCH=None
TEST=make sure memory training still works on nami

Change-Id: I9c0bb25eafc731ca9c7a95113ab940f55997fc0f
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46432
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/security/vboot/vboot_logic.c

@@ -404,7 +404,7 @@ void verstage_main(void)
 
 	/* Lock rec hash space if available. */
 	if (CONFIG(VBOOT_HAS_REC_HASH_SPACE)) {
-		rv = antirollback_lock_space_rec_hash();
+		rv = antirollback_lock_space_mrc_hash(MRC_REC_HASH_NV_INDEX);
 		if (rv) {
 			printk(BIOS_INFO, "Failed to lock rec hash space(%x)\n",
 			       rv);