Add rt700 lpadc support #158097

Job	Run time
twister-build-prep / prep_pr	3m 59s
twister-build-prep / prep_push	0s
twister-build (1)	36m 2s
twister-build (2)	1h 1m 29s
twister-build (3)	1h 19m 36s
twister-build (4)	39m 52s
twister-build (5)	36m 28s
twister-build (6)	35m 22s
twister-build (7)	27m 59s
twister-build (8)	25m 53s
twister-build (9)	26m 41s
Publish Unit Tests Results	15s
Check Twister Status / all jobs passed	1s
	6h 13m 37s

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