Staging: unisys: common-spar: include: channels: Remove unnecessary semicolon

This fixes the checkpatch.pl warning:
WARNING: macros should not use a trailing semicolon.

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>