Makefile.common: adaptation for macOS #443

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 20s
call-ci / build (armv7a9-zynq7000-qemu)	1m 33s
call-ci / build (armv7a9-zynq7000-zedboard)	1m 5s
call-ci / build (armv7a9-zynq7000-zturn)	1m 18s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 6s
call-ci / build (armv7m7-imxrt105x-evk)	1m 9s
call-ci / build (armv7m7-imxrt106x-evk)	1m 11s
call-ci / build (armv7m7-imxrt117x-evk)	1m 27s
call-ci / build (host-generic-pc)	55s
call-ci / build (ia32-generic-pc)	1m 5s
call-ci / build (ia32-generic-qemu)	1m 3s
call-ci / build (riscv64-generic-qemu)	1m 5s
call-ci / build (riscv64-generic-spike)	1m 3s
call-ci / build (sparcv8leon3-gr716-mini)	1m 9s
call-ci / test HW (armv7a7-imx6ull-evk)	4m 42s
call-ci / test HW (armv7m7-imxrt106x-evk)	2m 14s
call-ci / test EMU (armv7a9-zynq7000-qemu)	8m 51s
call-ci / test HW (armv7m7-imxrt117x-evk)	2m 45s
call-ci / test EMU (host-generic-pc)	1m 5s
call-ci / test HW (armv7a9-zynq7000-zedboard)	7m 8s
call-ci / test EMU (ia32-generic-qemu)	5m 19s
call-ci / test HW (armv7m4-stm32l4x6-nucleo)	7m 23s
call-ci / test EMU (riscv64-generic-qemu)	2m 51s
call-ci / tests-summary	39s
call-ci / send-notification	0s
	59m 26s

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