Exclude mkspk from docs

kamtom480 · kamtom480 · commit cd842d363a1d · 2020-01-13T13:33:23.000+01:00
diff --git a/conf.py b/conf.py
@@ -125,6 +125,7 @@
                     "ports/cc3200",
                     "ports/cc3200/FreeRTOS",
                     "ports/cc3200/hal",
+                    "ports/cxd56/mkspk",
                     "ports/cxd56/spresense-exported-sdk",
                     "ports/esp32",
                     "ports/esp8266/boards",
