zcu208-zynqmp: Add support for zcu208 board
zcu208-zynqmp: Add support for zcu208 board

Add machine configuration for zcu208 RFSoC board With required settings
for board specific yocto variables needed for compilation of bootloader
and kernel.
	-linux-xlnx is kernel provider
	-u-boot-xlnx is u-boot provider

Signed-off-by: Swagath Gadde <45477394cfe053a561ef153efb79d52fb4d95d3e@xilinx.com>
Signed-off-by: Sai Hari Chandana Kalluri <dcd6f85a7bffd89d026445db0f5113d6d436d06a@xilinx.com>

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