refactor(lib/smc): Update RIPAS defs to align with RMI header

The ripas defintions internally used in the code is renamed
to have RIPAS_ prefixes to avoid conflict with the RMI header.

Signed-off-by: Yousuf A <yousuf.sait@arm.com>
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
Change-Id: Iac7858a2ca0d51978673980acc90ab2daa48296b
diff --git a/runtime/core/exit.c b/runtime/core/exit.c
index c1eda49..e0324d7 100644
--- a/runtime/core/exit.c
+++ b/runtime/core/exit.c
@@ -115,7 +115,7 @@
 		goto out_unmap_ll_table;
 	}
 	ripas = s2tte_get_ripas(s2tte);
-	ret = (ripas == RMI_EMPTY);
+	ret = (ripas == RIPAS_EMPTY);
 
 out_unmap_ll_table:
 	buffer_unmap(ll_table);