Merge branch 'circuitpython-nickzoic-1046-nrf-rtc' of github.com:nickzoic/micropython into circuitpython-nickzoic-1046-nrf-rtc

Author: nickzoic

ports/nrf/mpconfigport.mk

@@ -22,7 +22,7 @@ CIRCUITPY_I2CSLAVE = 0
 # nvm not yet implemented
 CIRCUITPY_NVM = 0
 
-# rtc not yet implemented
+# enable RTC
 CIRCUITPY_RTC = 1
 
 # frequencyio not yet implemented