Overrides to prevent STM32 timer conflicts (#20545)

Marlin/src/pins/stm32f1/pins_FLSUN_HISPEED.h

 
 #define BOARD_NO_NATIVE_USB
 
+// Avoid conflict with TIMER_SERVO when using the STM32 HAL
+#define TEMP_TIMER 5
+
 //
 // Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
 //

Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO.h

 
 #define BOARD_NO_NATIVE_USB
 
+// Avoid conflict with TIMER_SERVO when using the STM32 HAL
+#define TEMP_TIMER 5
+
 //
 // Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
 //

Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO_V2.h

 
 #define BOARD_NO_NATIVE_USB
 
+// Avoid conflict with TIMER_SERVO when using the STM32 HAL
+#define TEMP_TIMER 5
+
 //
 // Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
 //

Marlin/src/pins/stm32f4/pins_FLYF407ZG.h

 #define BOARD_WEBSITE_URL    "github.com/FLYmaker/FLYF407ZG"
 #define DEFAULT_MACHINE_NAME BOARD_INFO_NAME
 
+// Avoid conflict with fans and TIMER_TONE
+#define TEMP_TIMER 3
+#define STEP_TIMER 5
+
 //
 // EEPROM Emulation
 //

Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3.h

 
 #define BOARD_INFO_NAME "MKS Robin Nano V3"
 
+// Avoid conflict with TIMER_TONE
+#define STEP_TIMER 13
+
 // Use one of these or SDCard-based Emulation will be used
 //#define SRAM_EEPROM_EMULATION                   // Use BackSRAM-based EEPROM emulation
 //#define FLASH_EEPROM_EMULATION                  // Use Flash-based EEPROM emulation

Marlin/src/pins/stm32f4/pins_MKS_ROBIN_PRO_V2.h

 
 #define BOARD_INFO_NAME "MKS Robin PRO V2"
 
+// Avoid conflict with TIMER_TONE
+#define STEP_TIMER 13
+
 // Use one of these or SDCard-based Emulation will be used
 //#define SRAM_EEPROM_EMULATION                   // Use BackSRAM-based EEPROM emulation
 //#define FLASH_EEPROM_EMULATION                  // Use Flash-based EEPROM emulation

platformio.ini

 board_build.offset   = 0x7000
 board_build.firmware = Robin.bin
 build_flags          = ${common_stm32.build_flags}
-  -DENABLE_HWSERIAL3 -DTRANSFER_CLOCK_DIV=8
+  -DENABLE_HWSERIAL3 -DTRANSFER_CLOCK_DIV=8 -DTIMER_SERIAL=TIM5
 build_unflags        = ${common_stm32.build_unflags}
  -DUSBCON -DUSBD_USE_CDC
 extra_scripts        = ${common.extra_scripts}