Support UART #2 for serial sensors

[khartster]

Did anyone ever attempt this?
To have another UART broken out may be use fule for other sensors: serial backpack for char display, gps, compass, odbII to serial, etc

[khartster]

uC32 does have a 2nd UART on pins 39 and 40
http://www.digilentinc.com/Data/Products/CHIPKIT-UC32/chipKIT%20uC32_rm.pdf

[samkristoff]

Marking as feature request and bumping to post release. Will consider for future updates (probably 1.1)