soc: Add interrupt numbers mapping for esp32s2beta

Closes: IDF-999

components/soc/include/soc/interrupts.h

@@ -0,0 +1,28 @@
+// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+#include "stdint.h"
+#include "soc/soc.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern const char * const esp_isr_names[ETS_MAX_INTR_SOURCE];
+
+#ifdef __cplusplus
+}
+#endif