dt-bindings: arm: qcom: Add BQ Aquaris M5

Add a compatible for BQ Aquaris M5 (Longcheer L9100).
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: André Apitzsch <git@apitzsch.eu>
Link: https://lore.kernel.org/r/20230827-bq_m5-v4-1-f8435fb8f955@apitzsch.euSigned-off-by: Bjorn Andersson <andersson@kernel.org>

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -190,6 +190,7 @@ properties:
 
       - items:
           - enum:
+              - longcheer,l9100
               - samsung,a7
               - sony,kanuti-tulip
               - square,apq8039-t2