Fix: MCU_NRF52832 does not support RESET_REASON.

Incorrect rebase from master

Co-Authored-By: Filip Jagodziński <[email protected]>

Author: 0xc0170

targets/targets.json

@@ -7171,7 +7171,6 @@
             "PORTINOUT",
             "PORTOUT",
             "PWMOUT",
-            "RESET_REASON",
             "SERIAL",
             "SERIAL_ASYNCH",
             "SERIAL_FC",