Changes:
- 37ecd7c Bump to version 34.7
- 4662d10 buildlib: Remove centos6 era distros
- 0230d70 libhns: Fix return value when creating unsupported CQ flags
- 3e69d52 libhns: Fix immediately error sign type in data path.
- 07048fc Fix incorrect string lengths in sscanf
- 7e62f23 mlx5: DR, Use the same STE for cvlan and svlan match