staging: vchiq_core: cleanup blank lines

Remove unnecessary blank lines.

Reported by checkpatch.pl

Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20211024212524.370078-2-gascoar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>