Add plo for riscv64 #1237

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 21s
call-ci / build (armv7a9-zynq7000-qemu)	1m 42s
call-ci / build (armv7a9-zynq7000-zedboard)	1m 0s
call-ci / build (armv7a9-zynq7000-zturn)	1m 2s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 4s
call-ci / build (armv7m7-imxrt105x-evk)	1m 11s
call-ci / build (armv7m7-imxrt106x-evk)	1m 29s
call-ci / build (armv7m7-imxrt117x-evk)	1m 18s
call-ci / build (host-generic-pc)	51s
call-ci / build (ia32-generic-pc)	1m 17s
call-ci / build (ia32-generic-qemu)	1m 23s
call-ci / build (riscv64-generic-qemu)	1m 4s
call-ci / build (riscv64-generic-spike)	49s
call-ci / build (sparcv8leon3-gr716-mini)	1m 9s
call-ci / test EMU (armv7a9-zynq7000-qemu)	9m 16s
call-ci / test EMU (host-generic-pc)	1m 7s
call-ci / test EMU (ia32-generic-qemu)	5m 58s
call-ci / test HW (armv7a7-imx6ull-evk)	5m 13s
call-ci / test EMU (riscv64-generic-qemu)	2m 43s
call-ci / test HW (armv7m7-imxrt106x-evk)	2m 24s
call-ci / test HW (armv7m7-imxrt117x-evk)	2m 44s
call-ci / test HW (armv7a9-zynq7000-zedboard)	7m 15s
call-ci / test HW (armv7m4-stm32l4x6-nucleo)	9m 15s
call-ci / tests-summary	25s
call-ci / send-notification	0s
	1h 3m 0s

Provide feedback