staging: vt6655: Remove multiple assignments.

Remove multiple assignments at initialization and in computations to
better match Linux style. Issue found by checkpatch.pl.

Signed-off-by: Briana Oursler <briana.oursler@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200327192700.12289-1-briana.oursler@gmail.com


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