arm64: dts: librem5: dwc3: switch to role switch via extcon

2 jobs for 5.6-rc6/librem5___dwc3_pm_runtime in 93 minutes and 36 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #257823
librem5
build:aarch64

00:45:23

passed #257824
librem5:arm64
build:deb

00:48:13