Core: Various new stubs (#4398)

* sceKernelGetProcessType

* sceCoredumpRegisterCoredumpHandler stub

* Better stub for sceCoredumpRegisterCoredumpHandler, stub sceCoredumpUnregisterCoredumpHandler

* sceNpSetNpTitleId stub

* sceNpSetContentRestriction stub

* sceKernelMlock stub

* posix_sigfillset

* posix_sigprocmask stub

Just logs the how parameter

* posix_msync stub

Just logging for now

* libSceContentExport stubs

* Clang

* sceVideoRecordingSetInfo stub

* sceKernelTitleWorkaroundIsEnabled

* Provide title workaround bits

Just grabbed them from fpPS4 code, I have a feeling actually applying these is gonna be a bit of a pain though.

* fpPS4 has a 0x39 bit, I guess that was probably added after 12.52 though.

* Bump to error

It's not going to work without proper sceKernelGetAppInfo workaround data

* Clang

* Clang2