dt-bindings: arm: qcom: Document APQ8026 SoC binding

Document the APQ8026 (based on MSM8226) SoC device-tree binding and the
LG G Watch R.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210911232707.259615-8-luca@z3ntu.xyz

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -25,6 +25,7 @@ description: |
   The 'SoC' element must be one of the following strings:
 
         apq8016
+        apq8026
         apq8074
         apq8084
         apq8096
@@ -93,6 +94,11 @@ properties:
               - qcom,apq8016-sbc
           - const: qcom,apq8016
 
+      - items:
+          - enum:
+              - lge,lenok
+          - const: qcom,apq8026
+
       - items:
           - enum:
               - qcom,apq8064-cm-qs600