EFM32: Enable RESET_REASON and WATCHDOG for EFM32GG11_STK3701

Author: amq

targets/targets.json

@@ -7000,6 +7000,7 @@
             "PORTOUT",
             "PWMOUT",
             "QSPI",
+            "RESET_REASON",
             "RTC",
             "SERIAL",
             "SERIAL_ASYNCH",
@@ -7011,7 +7012,8 @@
             "USTICKER",
             "TRNG",
             "FLASH",
-            "MPU"
+            "MPU",
+            "WATCHDOG"
         ],
         "forced_reset_timeout": 5,
         "config": {