dt-bindings: PCI: pci-ep: Update Maintainers

Kishon's TI email ID is not active anymore, so use his kernel.org ID.

Also, since I've been maintaining the PCI endpoint framework, I'm
willing to maintain the DT binding as well. So add myself as the
co-maintainer.

Link: https://lore.kernel.org/linux-pci/20240828-pci-qcom-hotplug-v4-3-263a385fbbcb@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>

Author: Mani-Sadhasivam

Documentation/devicetree/bindings/pci/pci-ep.yaml

@@ -10,7 +10,8 @@ description: |
   Common properties for PCI Endpoint Controller Nodes.
 
 maintainers:
-  - Kishon Vijay Abraham I <kishon@ti.com>
+  - Kishon Vijay Abraham I <kishon@kernel.org>
+  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
 
 properties:
   $nodename: