Re-enable -Wshift-overflow for clang #156109

Job	Run time
twister-build-prep / prep_pr	3m 36s
twister-build-prep / prep_push	0s
twister-build (1)	27m 58s
twister-build (2)	30m 53s
twister-build (3)	30m 51s
twister-build (4)	39m 0s
twister-build (5)	26m 55s
twister-build (6)	27m 24s
twister-build (7)	32m 36s
Publish Unit Tests Results	17s
Check Twister Status / all jobs passed	1s
	3h 39m 31s

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