staging: unisys: visorbus: remove controlvm_respond_chipset_init prototype

Remove the unneeded controlvm_respond_chipset_init prototype by
moving the functions controlvm_init_response and
controlvm_respond_chipset_init up in the file.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>