Staging: ipack/bridges/tpci200: Store beginning of module memory regions in struct tpci200.

tpci200_register is converted to use this.

A later patch will build on this.

Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>