crypto/spl: implement rsa-oaep

ro: save 0x25000 while maintaining security improvements

ro: implement 9.1.0 security measures

ro: move in use trackers outside of info objects

boot: fix more typos/copy paste errors

boot: fix wrong fallthroughs

boot: update to accurate as of 9.1.0

libstrat: fix unconverted _WITH_ASSERTs

ro: implement NRR signature checks

stratosphere: misc static -> global

pm: save ~0x3000 in binary

ams: revamp assertion system

libmesosphere: move .s to kernel (prevent manifesting in kernelldr)

find -exec sed -i'' -e 's/2018-2019 Atmo/2018-2020 Atmo/g' {} +

svc: populate namespace

sm: I accidentally wasted 2 MB

fatal: use STB instead of freetype

fatal: make aarch32 fatal screen prettier

fatal: increase stack size (needed for some custom fonts)

hid.mitm: disable by default

ams: use bitpack for api version

libvapours: add (kibi/mebi/gibi)byte literals

loader: use BitPack for caps

strat: use util::FourCC where relevant

bpc.mitm: detect preferred reboot function (closes #785)

fatal: include stack/tls in reports

fs.mitm: mitm sdb (allows common sysarchive redir)

fs.mitm: require less contiguous memory to build romfs

fs.mitm: lazily initialize sd-romfs metadata

fs.mitm: conserve memory when building romfs paths