move hid_liber to /bpiphany (#16091)

keyboards/bpiphany/hid_liber/readme.md

@@ -12,6 +12,6 @@ DIY daughterboard for Filco Majestouch TKL developed by Geekhack and Deskthority
 
 Make example for this keyboard (after setting up your build environment):
 
-    make hid_liber:default
+    make bpiphany/hid_liber:default
 
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).