[do not merge] add compiler optimization flags

[derekstavis]

Using this PR to testing some compiler optimizations. Couldn't get the flatpak to build locally so using the bot

[flathubbot]

Started test build 78546

[flathubbot]

Build 78546 failed

[flathubbot]

Started test build 78547

[flathubbot]

Build 78547 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/61148/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 78558

[flathubbot]

Build 78558 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/61159/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 93786

[flathubbot]

Build 93786 failed

[flathubbot]

Started test build 93798

[flathubbot]

Build 93798 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/76544/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 95466

[flathubbot]

Build 95466 failed

[flathubbot]

Started test build 95470

[flathubbot]

Build 95470 failed

[flathubbot]

Started test build 95480

[flathubbot]

Build 95480 failed

[flathubbot]

Started test build 95498

[flathubbot]

Build 95498 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/78245/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 95942

[flathubbot]

Build 95942 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/78694/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 96380

[flathubbot]

Build 96380 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/79130/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 100183

[flathubbot]

Build 100183 failed

[flathubbot]

Started test build 101914

[flathubbot]

Build 101914 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/84704/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 103369

[flathubbot]

Build 103369 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/86150/org.yuzu_emu.yuzu.flatpakref

[flathubbot]

Started test build 104203

[flathubbot]

Build 104203 successful
To test this build, install it from the testing repository:

flatpak install --user https://dl.flathub.org/build-repo/86989/org.yuzu_emu.yuzu.flatpakref