gr716: fix SPI boot #1053

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 56s
call-ci / build (armv7a9-zynq7000-qemu)	1m 50s
call-ci / build (armv7a9-zynq7000-zedboard)	1m 16s
call-ci / build (armv7a9-zynq7000-zturn)	1m 34s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 26s
call-ci / build (armv7m7-imxrt106x-evk)	1m 34s
call-ci / build (armv7m7-imxrt117x-evk)	2m 1s
call-ci / build (host-generic-pc)	1m 38s
call-ci / build (ia32-generic-pc)	1m 23s
call-ci / build (ia32-generic-qemu)	1m 12s
call-ci / build (riscv64-generic-qemu)	1m 33s
call-ci / build (riscv64-generic-spike)	1m 25s
call-ci / test EMU (armv7a9-zynq7000-qemu)	6m 26s
call-ci / test EMU (host-generic-pc)	1m 27s
call-ci / test EMU (ia32-generic-qemu)	4m 35s
call-ci / test HW (armv7a7-imx6ull-evk)	39s
call-ci / test HW (armv7m7-imxrt106x-evk)	40s
call-ci / test HW (armv7m7-imxrt117x-evk)	45s
call-ci / test HW (armv7a9-zynq7000-zedboard)	34s
call-ci / test HW (armv7m4-stm32l4x6-nucleo)	25s
call-ci / notify ci team using e-mail	5s
call-ci / tests-summary	47s
call-ci / send-notification	0s
	35m 11s

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