HID: Add driver for PhoenixRC Flight Controller

The PhoenixRC is a controller with 8 channels for use in flight
simulators.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20220914184345.270456-1-marcus.folkesson@gmail.com