dt-bindings: backlight: qcom-wled: Add PMI8994 compatible

Document the newly added PMI8994 compatible.
Signed-off-by: NKonrad Dybcio <konrad.dybcio@somainline.org>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml

@@ -19,6 +19,7 @@ properties:
   compatible:
     enum:
       - qcom,pm8941-wled
+      - qcom,pmi8994-wled
       - qcom,pmi8998-wled
       - qcom,pm660l-wled
       - qcom,pm8150l-wled