riscv: dts: microchip: fix discokit stdout path

commit 0a2a43ff63eee9f60643d4e6bc2464463cae49e9 from
https://github.com/linux4microchip/linux.git

 linux-6.6-mchp+fpga

I deleted the s while doing space -> tab conversions.

Fixes: af9eac34804c ("riscv: dts: microchip: fixup some outstanding mixed leading indent")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: harish h <harish.h@windriver.com>