Drivers for sio_eng_sio

Note:  There is an issue with Edex rejecting particles with identical timestamps that will need to be addressed.

It shows as validation tests as failing but the parser and driver is working as it should.
driver for velpt_ab
Change-Id: Ia3738997747c3c991b977b0e07072b204d1cd375

There were 4 parameters that needed to be aligned with pre-load, 
which required updates to the particle keys and the test files.
Merge "driver for velpt_ab Change-Id: Ia3738997747c3c991b977b0e07072b204d1cd375"
Merge "Drivers for sio_eng_sio"