staging: vt6655: Fix open ended lines

This commit arrange function declaration in one line to avoid lines
ending with '(' and comply in that way with the preferred coding
style for the linux kernel.

Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com>
Link: https://lore.kernel.org/r/bdbc1d472a8d90487d691e82ab8154a5733e6a0f.1572649242.git.frank@generalsoftwareinc.com


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