Staging: cxt1e1: Fix space prohibited between function name and open parenthesis '('

This patch fixes the following checkpatch.pl warning in functions.c
WARNING: space prohibited between function name and open parenthesis '('

Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>