dt-bindings: qcom: Document bindings for new msm8916-samsung-e2015 devices

Document the new samsung,e5/e7/grandmax device tree bindings used in their
device trees.
Signed-off-by: Lin, Meng-Bo <linmengbo0689@protonmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220724095346.14022-1-linmengbo0689@protonmail.com

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -176,6 +176,9 @@ properties:
               - longcheer,l8910
               - samsung,a3u-eur
               - samsung,a5u-eur
+              - samsung,e5
+              - samsung,e7
+              - samsung,grandmax
               - samsung,j5
               - samsung,serranove
               - wingtech,wt88047