staging: hp100: Remove extra blank lines

Remove extra blank lines from the code blocks.
Reported by checkpatch.pl

Signed-off-by: Soumyajit Deb <debsoumyajit100@gmail.com>
Link: https://lore.kernel.org/r/20200325035410.23802-1-debsoumyajit100@gmail.com


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