Staging: vt6655: device_main: cleanup long line

cleanup a long line coding style warning.

Signed-off-by: Simon Fong <simon.fongnt@yahoo.com>
Link: https://lore.kernel.org/r/20200128141426.12230-1-simon.fongnt@yahoo.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>