git: ignore cscope.*

Signed-off-by: Daniel Stodden <daniel.stodden@gmail.com>
msp: rename raw-imu mag field.

Signed-off-by: Daniel Stodden <daniel.stodden@gmail.com>
msp: produce null names outside of enums.

Signed-off-by: Daniel Stodden <daniel.stodden@gmail.com>
msp: readable channel names.

Signed-off-by: Daniel Stodden <daniel.stodden@gmail.com>