dt-bindings: arm: Update Corstone-1000 maintainers

The previous maintainers are no longer working on the Corstone-1000.
- Add new maintainers: Abdellatif El Khlifi, Hugues Kamba Mpiana
- Remove maintainers: Vishnu Banavath, Rui Miguel Silva
- Update contact information for existing maintainers
Signed-off-by: Hugues KAMBA MPIANA <hugues.kambampiana@arm.com>
Link: https://lore.kernel.org/r/20240815145622.377614-1-hugues.kambampiana@arm.comSigned-off-by: Rob Herring (Arm) <robh@kernel.org>

Documentation/devicetree/bindings/arm/arm,corstone1000.yaml

@@ -7,8 +7,8 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: ARM Corstone1000
 
 maintainers:
-  - Vishnu Banavath <vishnu.banavath@arm.com>
-  - Rui Miguel Silva <rui.silva@linaro.org>
+  - Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
+  - Hugues Kamba Mpiana <hugues.kambampiana@arm.com>
 
 description: |+
   ARM's Corstone1000 includes pre-verified Corstone SSE-710 subsystem that