tools: Mass fixing of empty prototypes (for -Wstrict-prototypes)

components/bootloader_support/include/bootloader_common.h

@@ -144,7 +144,7 @@ esp_err_t bootloader_common_get_partition_description(const esp_partition_pos_t
 /**
  * @brief Configure VDDSDIO, call this API to rise VDDSDIO to 1.9V when VDDSDIO regulator is enabled as 1.8V mode.
  */
-void bootloader_common_vddsdio_configure();
+void bootloader_common_vddsdio_configure(void);
 
 #ifdef __cplusplus
 }

components/bootloader_support/include/bootloader_flash_config.h

@@ -25,7 +25,7 @@ extern "C" {
  *
  * @return None
  */
-void bootloader_flash_update_id();
+void bootloader_flash_update_id(void);
 
 /**
  * @brief Set the flash CS setup and hold time.
@@ -35,7 +35,7 @@ void bootloader_flash_update_id();
  *
  * @return None
  */
-void bootloader_flash_cs_timing_config();
+void bootloader_flash_cs_timing_config(void);
 
 /**
  * @brief Configure SPI flash clock.

components/bootloader_support/include/esp_flash_encrypt.h

@@ -122,7 +122,7 @@ esp_err_t esp_flash_encrypt_region(uint32_t src_addr, size_t data_length);
  * serial re-flashing of an unauthorised code in absence of secure boot.
  *
  */
-void esp_flash_write_protect_crypt_cnt();
+void esp_flash_write_protect_crypt_cnt(void);
 
 /** @brief Return the flash encryption mode
  *
@@ -131,7 +131,7 @@ void esp_flash_write_protect_crypt_cnt();
  *
  * @return
  */
-esp_flash_enc_mode_t esp_get_flash_encryption_mode();
+esp_flash_enc_mode_t esp_get_flash_encryption_mode(void);
 
 #ifdef __cplusplus
 }