powerpc/book3e: store crit/mc/dbg exception thread info
powerpc/book3e: store crit/mc/dbg exception thread info

We need to store thread info to these exception thread info like something
we already did for PPC32.

Signed-off-by: Tiejun Chen <86aa98d1ce79e67acc7976f5603381a6ff7f6a6e@windriver.com>
Signed-off-by: Scott Wood <b77916c2feab81a70245e7b5671f4f02730ebf64@freescale.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs