stm32: call "try_request_canboot" for bootloader requests

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>

src/stm32/stm32f0.c

@@ -163,6 +163,7 @@ check_usb_dfu_bootloader(void)
 void
 usb_request_bootloader(void)
 {
+    try_request_canboot();
     usb_reboot_for_dfu_bootloader();
 }
 

src/stm32/stm32f1.c

@@ -243,6 +243,7 @@ usb_stm32duino_bootloader(void)
 void
 usb_request_bootloader(void)
 {
+    try_request_canboot();
     if (CONFIG_STM32_FLASH_START_800)
         usb_hid_bootloader();
     else if (CONFIG_STM32_FLASH_START_2000)

src/stm32/stm32f4.c

@@ -231,6 +231,7 @@ check_usb_dfu_bootloader(void)
 void
 usb_request_bootloader(void)
 {
+    try_request_canboot();
     if (CONFIG_STM32_FLASH_START_4000)
         usb_hid_bootloader();
     usb_reboot_for_dfu_bootloader();

src/stm32/stm32g0.c

@@ -133,6 +133,7 @@ check_usb_dfu_bootloader(void)
 void
 usb_request_bootloader(void)
 {
+    try_request_canboot();
     usb_reboot_for_dfu_bootloader();
 }
 

src/stm32/stm32h7.c

@@ -190,6 +190,7 @@ clock_setup(void)
 void
 usb_request_bootloader(void)
 {
+    try_request_canboot();
 }