sm/tipc: minor cleanup

sm: update for 13.0.0, optimize layout to reduce storage size.

strat: don't force fs globals to link into every process

sf: prevent emitting mitm/defer code unless server in process supports it

util: fix consteval CountTrailingZeroes impl

fatal: use align up for width calc

boot: probably should have done this a few months ago huh

ams: bump api verrsion pre-emptively to 1.2.0

ams: allow bootloader to merely approximate correct target firmware

fusee: fix loader stub

loader: refactor to remove fake namespaces

loader: refactor ro manager/improve accuracy

spl: refactor for accuracy/move into libstrat

docs: add hactool to list of build dependencies (#1662) ...

Co-authored-by: ndeadly <24677491+ndeadly@users.noreply.github.com>

os: add FlushDataCache

strat: use m_ for member variables

svc: use m_ for member variables

sdmmc: use m_ for member variables

kern: fix some lingering non-m_ member variables

exo/vapours: refactor member variables to m_ over this->

libstrat: remove lingering debugging edits

ams: replace most remaining operator & with std::addressof

settings: fix correctness issue in LazyFileAccessor

strat: refactor address taking of form &var[...]

strat: always use explicit result namespacing

settings: implement KeyValueStore (#1659) ...

* settings: implement KeyValueStore and dependencies

* settings: update KeyValueStore for recent refactoring

* settings: address feedback

sm: remove apm:p compatibility hack ...

Homebrew which would hang when doing this were compiled with libnx < 3.0.0.

Homebrew which is compiled with < 3.0.0 cannot send messages to sm, because
of the incorrect serialization problem (which required homebrew recompile when
12.0.0 released).

Thus, there is no case where this makes a difference.

kern: put rela in bss ...

NOTE: This saves ~0x4000 of space at the cost of crimes against the linker script.

kern: clean up mesosphere buildscript

kern: tidy up capability calc