toolchain: replace ifc interface compiler with xpcg

xpcg is used to generate xpc interfaces

toolchain/xpcg/status.h

@@ -0,0 +1,20 @@
+#ifndef XPCG_STATUS_H_
+#define XPCG_STATUS_H_
+
+enum status {
+	SUCCESS = 0,
+	ERR_EOF,
+	ERR_BAD_SYNTAX,
+	ERR_BAD_FORMAT,
+	ERR_BAD_STATE,
+	ERR_INVALID_VALUE,
+	ERR_INVALID_ARGUMENT,
+	ERR_NO_MEMORY,
+	ERR_NO_ENTRY,
+	ERR_NO_DATA,
+	ERR_NAME_EXISTS,
+	ERR_NOT_SUPPORTED,
+	ERR_INTERNAL_FAILURE,
+};
+
+#endif