vme: tsi148: CR/CSR logic arround the wrong way

The logic in the init routine for the TSI148 is inverted. It isn't switching
on the CR/CSR space when it should be and is reporting it's on when its not.

Correct the logic to do the right thing.

Reported-by: De Roo, Steven <steven.deroo@arcelormittal.com>
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>