Change Details

One more driver (my Apple SPI-HID driver) will need a crc16 implementation. Rather than continue the spread of duplicate crc16() functions, let's extract this one into a common header?

Let's deduplicate this as it might be needed for other drivers (e.g. Apple SPI-HID) ``` Sponsored by: https://www.patreon.com/valpackett ```

One more driver (my Apple SPI-HID driver) will need a crc16 implementation.Let's deduplicate this as it might be needed for other drivers (e.g. Apple SPI-HID) ``` Rather than continue the spread of duplicate crc16() functions, let's extract this one into a common header?Sponsored by: https://www.patreon.com/valpackett ```