staging: kpc2000: kpc2000_i2c: add space after ,

add space after , for #define outb_p(d,a) writeq(d,(void *)a)

Signed-off-by: Hao Xu <haoxu.linuxkernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>