staging: vt6655: rename variable bHWRadioOff

staging: vt6655: rename variable bHWRadioOff

Replace camelcase hungarian notated variable "bHWRadioOff"
into linux kernel coding style equivalent variable "hw_radio_off".

Tested-by: Tommaso Merciai <tomm.merciai@gmail.com>
Acked-by: Tommaso Merciai <tommaso.merciai@gmail.com>
Acked-by: Tommaso Merciai <tomm.merciai@gmail.com>
Signed-off-by: Alberto Merciai <alb3rt0.m3rciai@gmail.com>
Link: https://lore.kernel.org/r/20211121112000.632456-1-alb3rt0.m3rciai@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>