Is it valid to power an I/O bank at 2.5 V (or any other voltage between 1.8 and 3.3 V for that matter) when using the pins as GPIOs? It seems like it should be, but the IMX8MNCEC datasheet only lists 1.8 V and 3.3 V modes. 2.5 V operation is only specified for the NVCC_ENET bank.
