staging: pi433: break long lines

scripts/checkpatch.pl is warning about some lines exceeding 100
charecters. This will cleanup the warnings.

Signed-off-by: Bryan Brattlof <hello@bryanbrattlof.com>
Link: https://lore.kernel.org/r/87y2lsrnl8.fsf@bryanbrattlof.com


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