[tma2] [Ongoing] Continue implementing modules for tma2. (#1388) ...

* cs: add stub sysmodule to host command shell server

* cs: implement logic for main (linker error paradise, for now)

* cs: implement more of the system module's skeleton

* htcs: update client type names for libnx pr merge

set.mitm: fake compatibility for usb!usb30_force_enabled on 9.0.0+ (#1391) ...

* set.mitm: fake compatibility for usb!usb30_force_enabled on 9.0.0+

* set.mitm: add value meaning comment for usb!usb30_force_enabled

* loader: pretend to be polite about patch ordering

boot2: fix tma launch when htc is disabled

htclow: fix ordering of channels, uninitialized bug in service json parse

fs: fix GetFileTimeStampRawForDebug

tio: implement SdCardObserver (finishes sysmodule)

htc: disable socket driver, needs design thought before we can turn it on for real.

ams: implement socket api for htclow socket driver

htc: implement socket driver (socket api not really impl'd yet)

htc: implement htcmisc service object commands

kern: Increase reserved system memory, require mesosphere for htc/tma

htc: configure usage via system setting

htcs: fixes, echo server is now fully functional

htcs: implement remaining client bindings

htcs: implement client socket bindings

htcs: implement virtual socket collection

htcs: implement data channel manager

htcs: implement rpc tasks

htcs: hook up HtcsService to rpc client

htcs: fix magic template argument deduction, do Close/Connect/Bind

htcs: declare all rpc tasks

htcs: hook up CreateSocket/RpcClient Begin<>/End<>

htcs: hook up manager impl to (unimplemented) service

htcs: hook manager up to (unimplemented) manager impl

htcs: hook service objects up to (unimplemented) manager apis

htc: fixes for WriteFileLarge/sending over data channel

htcfs: fix CreateFile packet header

htc: implement the remaining commands for htcfs

htc: ReadDirectoryLarge/data channel support

htc: Implement (almost) all host-directory commands