MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores

MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores

The CPS code is doing several memory loads when configuring the VPEs
from secondary cores, so the segmentation control registers must be
initialized in time otherwise the kernel will crash with strange
TLB exceptions.

Reviewed-by: Paul Burton <[email protected]>
Signed-off-by: Markos Chandras <[email protected]>
Patchwork: http://patchwork.linux-mips.org/patch/7424/
Signed-off-by: James Hogan <[email protected]>