hack: Add DT augment for a bbq-kbd-matrix

This is a special keyboard matrix type used by the bbq-keyboard
firmware.  It doesn't belong here, and can be moved out, once we support
additional augment files.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

dt-rust.yaml

@@ -120,6 +120,25 @@
       device: "crate::device::led_strip::LedStrip"
       kconfig: CONFIG_LED_STRIP
 
+# This doesn't really belong here, and can be moved once we support modules having their own augment
+# files.
+- name: bbq-kbd-matrix
+  rules:
+  - type: compatible
+    value:
+      names:
+      - "bbq-kbd-matrix"
+      level: 0
+  actions:
+  - type: gpio_pins
+    value:
+      property: "row-gpios"
+      getter: "get_rows"
+  - type: gpio_pins
+    value:
+      property: "col-gpios"
+      getter: "get_cols"
+
 # Generate a pseudo node that matches all of the labels across the tree with their nodes.
 - name: labels
   rules: