arch-sparc: Add a FaultVals instantiation for VecDisabled
arch-sparc: Add a FaultVals instantiation for VecDisabled

Recent gcc versions complain about a missing VecDisabled not having an
explicit FaultVals instantiation.

Change-Id: I439e7b3a7d5cad20590f52b3f374ead3f3f070a6
Signed-off-by: Andreas Sandberg <c9f5686ee5bd561c93f9de79681eee75bfa7f36e@arm.com>
Reviewed-by: Nikos Nikoleris <b6a1b3cd9d36c44e9eeb16bc870df3cb2a0cf469@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/4282
Reviewed-by: Jason Lowe-Power <68c46a606457643eab92053c1c05574abb26f861@lowepower.com>

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