C/Cxx: unify static assertions with the macro ESP_STATIC_ASSERT

Closes https://github.com/espressif/esp-idf/issues/9938

components/soc/esp32c3/include/soc/spi_mem_struct.h

@@ -553,7 +553,9 @@ typedef volatile struct spi_mem_dev_s {
 extern spi_mem_dev_t SPIMEM0;
 extern spi_mem_dev_t SPIMEM1;
 
+#ifndef __cplusplus
 _Static_assert(sizeof(spi_mem_dev_t) == 0x400, "spi_mem_dev_t size error!");
+#endif
 
 #ifdef __cplusplus
 }

components/soc/esp32c3/include/soc/timer_group_struct.h

@@ -1,5 +1,5 @@
 /**
- * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
  *
  *  SPDX-License-Identifier: Apache-2.0
  */

components/soc/esp32c3/include/soc/twai_struct.h

@@ -198,7 +198,9 @@ typedef volatile struct twai_dev_s {
     } clock_divider_reg;                        /* Address 0x007C */
 } twai_dev_t;
 
+#ifndef __cplusplus
 _Static_assert(sizeof(twai_dev_t) == 128, "TWAI registers should be 32 * 4 bytes");
+#endif
 
 extern twai_dev_t TWAI;