dt-bindings: clock: Add A7 PLL binding for SDX65

Add information for Cortex A7 PLL clock in Qualcomm
platform SDX65.

Signed-off-by: Rohit Agarwal <[e-mail]>
Reviewed-by: Manivannan Sadhasivam <[e-mail]>
Reviewed-by: Stephen Boyd <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

Documentation/devicetree/bindings/clock/qcom,a7pll.yaml

···
   - Manivannan Sadhasivam <[e-mail]>
 
 description:
-  The A7 PLL on the Qualcomm platforms like SDX55 is used to provide high
+  The A7 PLL on the Qualcomm platforms like SDX55, SDX65 is used to provide high
   frequency clock to the CPU.
 
 properties: