sparc: Passify a new g++ warning.
sparc: Passify a new g++ warning.

g++ seems to think there are some missing brackets when initializing
the sparc fault information. Passify it by adding extra brackets.

Change-Id: I826995f88b8ac8a21721c949a244dec480831b80
Reviewed-on: https://gem5-review.googlesource.com/8763
Maintainer: Jason Lowe-Power <68c46a606457643eab92053c1c05574abb26f861@lowepower.com>
Reviewed-by: Gabe Black <5c8aa1266c03186393d9e7b3b4e3b14239af8201@google.com>

TUD-OS/gem5-dtu,gem5/gem5,TUD-OS/gem5-dtu,gem5/gem5,gem5/gem5,TUD-OS/gem5-dtu,gem5/gem5,gem5/gem5,TUD-OS/gem5-dtu,gem5/gem5,TUD-OS/gem5-dtu,gem5/gem5,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu