Core: Mark some functions as const
Merge pull request #7130 from lioncash/const

Core: Mark some functions as const
Oops, fix an old typo.

Thanks Lioncash.  This broke a small range of old savestates.
Minor cleanup in vtfm. Re-enable vrot combination. Optimize vfad/vavg when dpps is available.

Also fixes bug in emitter of dpps.
sceMpeg: Remove an unnecessary if statement

stream is previously used in the above memcpy, so this check is not necessary.
Merge pull request #7131 from lioncash/scempeg

sceMpeg: Remove an unnecessary if statement
Core: Get rid of a few c_str/strlen calls
Merge pull request #7132 from lioncash/c_str

Core: Get rid of a few c_str/strlen calls
x86 Jit: Basic implementation of vbfy1/2 (mostly to just cross another one off the list..)
x86 jit: Hack around running out of regs on x86-32 with SIMD
Update submodules
CMakeLists cleanup
Untested attempt at fixing the iOS build (see #6972)
Merge https://github.com/hrydgard/ppsspp