feat(plat/zynqmp): add support for XCK26 silicon

Add support for XCK26 silicon which is available on SOM board.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Change-Id: Ic98213328702903af8a79f487a2868f3e6d60338
1 file changed