staging: vchiq_core: Add missing blank lines

checkpatch.pl noticed about missing blank line after 2 declarations.
So add them for better readability.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240425165852.6681-6-wahrenst@gmx.net


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