MAINTAINERS.md: Update maintainers email address
MAINTAINERS.md: Update maintainers email address

Signed-off-by: Sandeep Gundlupet Raju <eaeca0ea0d778dfb64d22c43189d46f965ce7ff5@amd.com>
Signed-off-by: Mark Hatle <41765ab18fb75e64ff0efe27f2ebcdb2d6f7e44e@amd.com>

Xilinx/meta-xilinx,Xilinx/meta-xilinx,Xilinx/meta-xilinx,Xilinx/meta-xilinx,Xilinx/meta-xilinx,Xilinx/meta-xilinx