ICSHWI-14391: Add IO Expander PVs for PIN diode
Closes ICSHWI-14391
This MR should be merged after !169 (merged) and !170 (merged) to avoid conflicts.
Edited by Henrique Silva
Closes ICSHWI-14391
This MR should be merged after !169 (merged) and !170 (merged) to avoid conflicts.