system-arm: Add aarch64 bootloader support for GICv3

Change-Id: If75262709868cc59d320f60273a32397339f1dd5
Signed-off-by: Jairo Balart <jairo.balart@metempsy.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13435
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

misc: Add util/packet_pb2.py to .gitignore.

This file is automatically generated and not managed by git.

Change-Id: I077fe1ad89b65716a829b783a8b9c6e23b4d0b6b
Reviewed-on: https://gem5-review.googlesource.com/5006
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

misc: git ignore file udpated

Change-Id: Ib2c7a7d26e7121dd082ca55a7c7ccf53fc47572c
Reviewed-on: https://gem5-review.googlesource.com/4240
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

misc: Ignore build products in src/util/term.

Change-Id: I8027a282c261d29cd276742411eb0ed3ce078247
Reviewed-on: https://gem5-review.googlesource.com/3641
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

misc: Add git ignore patterns for build products in src/util/tap

Change-Id: I498058255a05585e8142bdaa852549e20c27e347
Reviewed-on: https://gem5-review.googlesource.com/3640
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>

misc: Add dtb files to the ignore list for git and mercurial

Change-Id: Ifb135c60e050c55769914e853b07a387c06e4007
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>

misc: Add a gitignore file based on the current hgignore

Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>