Increase the trampoline cache size to cater for fastmem writes.

Fixes issue 6722.
Jit64: optimize floating-point/paired-single arith

The "else if (b != d)" branch was dead code and only works if b == d. Now
the last else block with two temporary XMM registers is not needed anymore.
Fix rendering on Adreno and Mali. This adds a new DriverDetails bug to know if the bufferstreaming is broken. Thanks degasus for fixing this.
ogl: only use bufferdata if buffersubdata is broken

Else nvidia fallback would be slower than needed