enable USBDEVICE on STM32L1 series, except for XDOT_L151CC

Author: chrJost

targets/TARGET_STM/USBPhyHw.h

@@ -43,7 +43,7 @@
 
 #if MBED_CONF_TARGET_USB_SPEED == USE_USB_NO_OTG
 
-#if defined(TARGET_STM32F1) || defined(TARGET_STM32F3) || defined(TARGET_STM32WB) || defined(TARGET_STM32G4)
+#if defined(TARGET_STM32F1) || defined(TARGET_STM32F3) || defined(TARGET_STM32L1) || defined(TARGET_STM32WB) || defined(TARGET_STM32G4)
 #define USBHAL_IRQn  USB_LP_IRQn
 #elif defined(TARGET_STM32L5)
 #define USBHAL_IRQn  USB_FS_IRQn

targets/targets.json

@@ -3401,7 +3401,8 @@
             "ANALOGOUT",
             "SERIAL_ASYNCH",
             "FLASH",
-            "MPU"
+            "MPU",
+            "USBDEVICE"
         ]
     },
     "MCU_STM32L151xC": {
@@ -3430,7 +3431,8 @@
             }
         },
         "device_has_remove": [
-            "SERIAL_FC"
+            "SERIAL_FC",
+            "USBDEVICE"
         ],
         "device_name": "STM32L151CC",
         "detect_code": [