add MCX, UMRF, and U.FL to Conn_Coaxial footprint filter
This MR adds the following terms to the footprint filter:
-
*MCX*
for MCX and MMCX devices -
*UMRF*
for Würth's UMRF devices -
*U.FL*
for Hirose`s U.FL devices
This MR adds the following terms to the footprint filter:
*MCX*
for MCX and MMCX devices*UMRF*
for Würth's UMRF devices*U.FL*
for Hirose`s U.FL devices