exclude usb from doc build

hathach · hathach · commit 862ae2ff8d77 · 2018-07-12T15:13:56.000+07:00
diff --git a/conf.py b/conf.py
@@ -117,6 +117,7 @@
                     "ports/nrf/hal",
                     "ports/nrf/modules",
                     "ports/nrf/nrfx",
+                    "ports/nrf/usb",
                     "ports/pic16bit",
                     "ports/qemu-arm",
                     "ports/stm32",
