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/lib/realm/src/s2tt.c b/lib/realm/src/s2tt.c
index 0f8a4bf..e5aa289 100644
--- a/lib/realm/src/s2tt.c
+++ b/lib/realm/src/s2tt.c
@@ -394,7 +394,7 @@
  */
 unsigned long s2tte_create_ripas(enum ripas ripas)
 {
-	if (ripas == RMI_EMPTY) {
+	if (ripas == RIPAS_EMPTY) {
 		return S2TTE_INVALID_RIPAS_EMPTY;
 	}
 	return S2TTE_INVALID_RIPAS_RAM;
@@ -638,10 +638,10 @@
 	}
 
 	if (desc_ripas == S2TTE_INVALID_RIPAS_EMPTY) {
-		return RMI_EMPTY;
+		return RIPAS_EMPTY;
 	}
 
-	return RMI_RAM;
+	return RIPAS_RAM;
 }
 
 /*