The removes the alias so it is clear what bus and port bit
is associated with as CS or DRDY signal.
This becomes important when varients of V2 a) use the CS on differnt
busses or b) swap a RDY (in) for a CS (out). In both cases,
a CS on once buss, can back feed and cause sensor reset to not be
able to turn off the power if all the pins are not tunered
off