cinterion: switch primary and secondary port for PLS8
ACM1 should be the primary port on the Cinterion PLS8-E as stated by the AT^SQPORT?
command on ACM1.
Fixes #812 (closed).
$ mmcli -m 0
Hardware | manufacturer: Cinterion
| model: PLS8-E
| firmware revision: REVISION 03.017
| supported: gsm-umts, lte
| current: gsm-umts, lte
...
-----------------------------
System | device: /sys/devices/platform/1f400000.fpi/1e101000.usb/usb1/1-1
| drivers: cdc_acm
| plugin: cinterion
| primary port: ttyACM1
| ports: ttyACM0 (at), ttyACM1 (at), ttyACM2 (gps),
| ttyACM3 (ignored), ttyACM4 (ignored)
$ mmcli -m 0 --command='AT^SQPORT?'
response: '^SQPORT: Application'
Edited by Lukas Vögl