Staging: i2o: Remove unnecessary braces

Brackets were removed from the expression that containing single
statement. Removed following checkpatch.pl warnings:
WARNING: braces {} are not necessary for single statement blocks

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