dt-bindings: backlight: qcom-wled: Document ovp values for PMI8950

Document ovp values supported by wled found in PMI8950.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Link: https://patch.msgid.link/20260116-pmi8950-wled-v3-3-e6c93de84079@mainlining.org
Signed-off-by: Lee Jones <lee@kernel.org>

Author: barni2000

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

@@ -243,7 +243,9 @@ allOf:
       properties:
         compatible:
           contains:
-            const: qcom,pmi8994-wled
+            enum:
+              - qcom,pmi8950-wled
+              - qcom,pmi8994-wled
 
     then:
       properties: