arm64: zynqmp: dts: Add required properties for rs485 support for KD240

Add "rts-gpios" and "linux,rs485-enabled-at-boot-time" properties
to uartps node to support RS485 on KD240.

Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/56e4e135ad796afd1370c3dfa2643c143ba758ee.1710847646.git.michal.simek@amd.com
1 file changed