cmake: emu: qemu: return to ctrl-c #137534

Job	Run time
twister-build-prep	2m 55s
twister-build (1)	29m 9s
twister-build (2)	26m 17s
twister-build (3)	25m 18s
twister-build (4)	28m 48s
twister-build (5)	18m 3s
twister-build (6)	20m 47s
twister-build (7)	25m 56s
Publish Unit Tests Results	16s
Check Twister Status / all jobs passed	1s
	2h 57m 30s

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