stm32l4: add stm32l412 support with adc,i2c,spi,usb

Signed-off-by: Matt Baker <baker.matt.j@gmail.com>

klippy/extras/temperature_mcu.py

@@ -72,6 +72,7 @@ class PrinterTemperatureMCU:
             ('stm32f070', self.config_stm32f070),
             ('stm32f072', self.config_stm32f0x2),
             ('stm32g0', self.config_stm32g0),
+            ('stm32l4', self.config_stm32g0),
             ('stm32h7', self.config_stm32h7),
             ('', self.config_unknown)]
         for name, func in cfg_funcs: