Makefile.common: adaptation for macOS #459

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 20s
call-ci / build (armv7a9-zynq7000-zturn)	1m 3s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 3s
call-ci / build (armv7m7-imxrt105x-evk)	1m 16s
call-ci / build (armv7m7-imxrt106x-evk)	1m 10s
call-ci / build (armv7m7-imxrt117x-evk)	1m 11s
call-ci / build (host-generic-pc)	52s
call-ci / build (ia32-generic-pc)	1m 1s
call-ci / build (ia32-generic-qemu)	1m 15s
call-ci / build (riscv64-generic-qemu)	1m 4s
call-ci / build (riscv64-generic-spike)	55s
call-ci / build (sparcv8leon3-gr716-mini)	55s
call-ci / test EMU (armv7a9-zynq7000-qemu)	8m 3s
call-ci / test EMU (host-generic-pc)	1m 6s
call-ci / test HW (armv7a7-imx6ull-evk)	5m 10s
call-ci / test HW (armv7m7-imxrt106x-evk)	2m 20s
call-ci / test EMU (ia32-generic-qemu)	5m 26s
call-ci / test HW (armv7m7-imxrt117x-evk)	2m 45s
call-ci / test EMU (riscv64-generic-qemu)	3m 0s
call-ci / test HW (armv7a9-zynq7000-zedboard)	7m 6s
call-ci / test HW (armv7m4-stm32l4x6-nucleo)	7m 36s
call-ci / tests-summary	34s
call-ci / send-notification	0s
	59m 4s

Provide feedback