Portenta C33 ADC: fix for analog input A5 and A6 not working #786

Job	Run time
Build and package cores	9m 44s
Split off zephyr	16s
Split off zephyr_contrib	15s
Split off zephyr_unoq	6s
Split off zephyr_main	10s
Test zephyr_main:nano33ble	2m 33s
Test zephyr_main:giga	2m 28s
Test zephyr_main:portentac33	2m 29s
Test zephyr:unoq	2m 18s
Test zephyr_contrib:ek_ra8d1	1m 50s
Test zephyr_main:niclasense	2m 33s
Test zephyr_main:opta	2m 35s
Test zephyr_main:portentah7	1m 51s
Test zephyr_contrib:frdm_rw612	2m 28s
Test zephyr_contrib:frdm_mcxn947	2m 46s
Collect logs	10s
Publish core	0s
Publish jsons	16s
verify-core	-1s
cleanup-artifacts	6s
	34m 53s

Provide feedback