feat(rmm-eac4): modify RSI_IPA_STATE_SET command

Modifies RSI_IPA_STATE_SET command handler as per
RMM Specification 1.0-eac4 by adding 'response'
value returned in X2.
Fixes the handler by setting 'new_base' in X1.
Parameter 'exit_to_rec' of 'rsi_log_on_exit()'
function removed, and all return values are now
get printed regardless of RSI command returning
to Host or back to the REC.

Signed-off-by: AlexeiFedorov <Alexei.Fedorov@arm.com>
Change-Id: I607c9ae269fefc3e28f10dec6f81d0f8d7e0c9cb
diff --git a/lib/realm/include/ripas.h b/lib/realm/include/ripas.h
index 2143d8f..4b6b58f 100644
--- a/lib/realm/include/ripas.h
+++ b/lib/realm/include/ripas.h
@@ -35,4 +35,15 @@
 	CHANGE_DESTROYED = RSI_CHANGE_DESTROYED
 };
 
+/*
+ * The RmmRecResponse enumeration represents whether the Host accepted
+ * or rejected a Realm request.
+ *
+ * Map RmmRecResponse to RmiResponse to simplify check operation.
+ */
+enum ripas_response {
+	ACCEPT = RMI_ACCEPT,	/* Host accepted Realm request */
+	REJECT = RMI_REJECT	/* Host rejected Realm request */
+};
+
 #endif /* RIPAS_H */