Changes:
- d843a03 Bump to version 35.6
- f399df3 buildlib: Remove centos6 era distros
- 63ce0cc libhns: Fix return value when creating unsupported CQ flags
- b89d4e9 libhns: Fix immediately error sign type in data path.
- 650cefd libhns: Fix return value when creating unsupported QP types
- f57b52a Fix incorrect string lengths in sscanf
- 1f867c6 mlx5: DR, Use the same STE for cvlan and svlan match