feat(gptimer): support timer group driver on c5 mp

there's no change between mpw and mp as far as I can tell from the
register

components/soc/esp32c5/mp/timer_periph.c

@@ -0,0 +1,24 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "soc/timer_periph.h"
+
+const timer_group_signal_conn_t timer_group_periph_signals = {
+    .groups = {
+        [0] = {
+            .module = PERIPH_TIMG0_MODULE,
+            .timer_irq_id = {
+                [0] = ETS_TG0_T0_LEVEL_INTR_SOURCE,
+            }
+        },
+        [1] = {
+            .module = PERIPH_TIMG1_MODULE,
+            .timer_irq_id = {
+                [0] = ETS_TG1_T0_LEVEL_INTR_SOURCE,
+            }
+        }
+    }
+};