arm64: dts: librem5: fix the rfkill nets

The nets were renamed wifi_reg_on and bt_reg_on. These are connected to
W_DISAABLE and W_DISABLE1 which control the module transmitters.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
2 jobs for wifi_reg in 51 minutes and 49 seconds (queued for 51 seconds)
latest
Status Job ID Name Coverage
  Build
passed #252803
librem5
build:aarch64

00:29:12

passed #252804
librem5:arm64
build:deb

00:49:41