asm: fix dequant_normal

--HG--
branch : stable
cu-lossless: fix inter hash mistake

The CU needs to be re-encoded if lossless is chosen as the best mode.

--HG--
branch : stable
extra : source : 07291dff40483099760674befe628bef59ae7abe
search: fix decoder intra crash with --cu-lossless

--HG--
branch : stable
extra : source : a0028e5b6177ebdcd28c9120886c7101c7dedce5
encoder: re-enable --cu-lossless

--HG--
branch : stable
extra : source : c21ddfe6a6d9e2345179134f90d538dc560e0b12