pan/midgard: Fold nots into branches
We already do this for csel with midgard_opt_invert.c
Instead of code like:
sadd.fle r24.x, r0.x, #0.5
smul.inor r31.w, r24.x, #0
brx.cond.false +2 -> alu2/9
We would like simply:
smul.fle r31.w, r0.x, #0.5
brx.cond.true +2 -> alu2/9