[x265] RDOQ enabled rdLevel changed

[Satoshi Nakagawa]

Is this change intended?

> # HG changeset patch
> # User Sumalatha Polureddy<sumalatha at multicorewareinc.com>
> # Date 1403689018 -19800
> #      Wed Jun 25 15:06:58 2014 +0530
> # Node ID e2ed009d296af39926d79f1a245974f158d6861a
> # Parent  5797d6a8197c96b68752705167ced6cb63194013
> psy-rd: implement psy-rd in rdlevel=4,3 and 2

> diff -r 5797d6a8197c -r e2ed009d296a source/encoder/encoder.cpp
> --- a/source/encoder/encoder.cpp	Wed Jun 25 18:21:34 2014 +0530
> +++ b/source/encoder/encoder.cpp	Wed Jun 25 15:06:58 2014 +0530
> @@ -1267,7 +1267,7 @@
>      }
>  
>      // disable RDOQ if psy-rd is enabled; until we make it psy-aware
> -    m_bEnableRDOQ = p->psyRd == 0.0 && p->rdLevel >= 4;
> +    m_bEnableRDOQ = p->psyRd == 0.0 && p->rdLevel >= 1;
>  
>      if (p->bLossless)
>      {