staging: kpc2000: fix incorrect code comment in core.c

Step 11 was removed from kp2000_pcie_probe in a previous commit but the
comment was not changed to reflect this, so do it now.

Signed-off-by: Simon Sandström <simon@nikanor.nu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>