[PATCH 0/8] Introduce MIPS64r6 target

[Aleksandar Rakic]

This patch series introduces support for the MIPS64r6 target in QEMU,
bringing the latest architecture features and improvements to the MIPS
target. In addition to the new target, this series also includes
several bug fixes that have been in use internally for years within
the MIPS ecosystem.
 
These patches are cherry-picked from the branch mips_rel/4_1_0/master on
the MIPS' repository: https://github.com/MIPS/gnutools-qemu/
Further details on individual changes are included in the respective
patches. An instance of a pipeline of QEMU CI jobs run with input
variable QEMU_CI=1 for this patch series is available here:
https://gitlab.com/rakicaleksandar1999/qemu/-/pipelines/1470628690
and for the master branch is available here:
https://gitlab.com/rakicaleksandar1999/qemu/-/pipelines/1462140373