sparcv8leon3: add GR712RC target #908

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 42s
call-ci / build (armv7a9-zynq7000-qemu)	2m 17s
call-ci / build (armv7a9-zynq7000-zedboard)	1m 33s
call-ci / build (armv7a9-zynq7000-zturn)	1m 45s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 53s
call-ci / build (armv7m7-imxrt105x-evk)	1m 34s
call-ci / build (armv7m7-imxrt106x-evk)	1m 45s
call-ci / build (armv7m7-imxrt117x-evk)	1m 38s
call-ci / build (host-generic-pc)	1m 6s
call-ci / build (ia32-generic-pc)	1m 48s
call-ci / build (ia32-generic-qemu)	1m 23s
call-ci / build (riscv64-generic-qemu)	1m 5s
call-ci / build (riscv64-generic-spike)	1m 29s
call-ci / build (sparcv8leon3-gr716-mini)	1m 13s
call-ci / test EMU (armv7a9-zynq7000-qemu)	8m 51s
call-ci / test HW (armv7a7-imx6ull-evk)	5m 5s
call-ci / test EMU (host-generic-pc)	54s
call-ci / test HW (armv7m7-imxrt106x-evk)	2m 22s
call-ci / test EMU (ia32-generic-qemu)	5m 35s
call-ci / test HW (armv7m7-imxrt117x-evk)	3m 6s
call-ci / test EMU (riscv64-generic-qemu)	3m 17s
call-ci / test HW (armv7a9-zynq7000-zedboard)	6m 9s
call-ci / test HW (armv7m4-stm32l4x6-nucleo)	7m 55s
call-ci / tests-summary	31s
call-ci / send-notification	0s
	1h 5m 56s

Provide feedback