Set up the required syndrome information when we detect an MMU fault.
Signed-off-by: NRob Herring <rob.herring@linaro.org>
[PMM: split out from exception handling patch, tweaked to bring
 in line with how we create other kinds of syndrome information]
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>