Add PSP code sharing for `st0` `st_debug` (#2061) #8446

Job	Run time
build-and-test (us)	3m 22s
build-and-test (hd)	2m 2s
build-and-test (pspeu)	1m 46s
generate-duplicates-report (us)	5m 5s
generate-duplicates-report-psp (pspeu)	4m 40s
generate-progress-report (us)	1m 36s
generate-progress-report (hd)	1m 20s
generate-progress-report (pspeu)	1m 45s
	21m 36s

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