tests: Fix x86-boot-tests nightly tests

The nightly tests were failing as reported here:
https://www.mail-archive.com/gem5-dev@gem5.org/msg40394.html.

This was due to the tests trying to run our MI_Example test against
GCN3_X86 instead of the X86 ISA target. This patch fixes the issue.

Change-Id: I8ea692ffc06e3d7c4150074ed22e16096b3dbb5e
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/50128
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed