Update notes for submitted changes

* JIT: Use vmla.f64 instead of vmuld + vaddd.
* JIT: Combine add with shift and offset for array load & store.
* JIT: Combine shift & sub for monitor unlock.
* JIT: Use rsb and shift in easy multiply.
* JIT: Combine add with shift.
* JIT: Allow use of cbz/cbnz for conditional branch gen.
* JIT: Suppress loop suspend checks.
* JIT: Hoist loop load operations above loop.