Merge branch 'master' into feature/esp32s2beta_update

components/bootloader_support/include/bootloader_clock.h

@@ -14,6 +14,10 @@
 
 #pragma once
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** @brief Configure clocks for early boot
  *
  * Called by bootloader, or by the app if the bootloader version is old (pre v2.1).
@@ -23,3 +27,8 @@ void bootloader_clock_configure(void);
 /** @brief Return the rated maximum frequency of this chip
  */
 int bootloader_clock_get_rated_freq_mhz(void);
+
+#ifdef __cplusplus
+}
+#endif
+