device not devices in nrf

Author: tannewt

conf.py

@@ -105,7 +105,7 @@
                     "ports/cc3200/hal",
                     "ports/esp8266",
                     "ports/minimal",
-                    "ports/nrf/devices",
+                    "ports/nrf/device",
                     "ports/nrf/drivers",
                     "ports/nrf/hal",
                     "ports/nrf/modules",