centos now installs cmake from conda (#48035)
Summary:
For the same reason that ubuntu builds need conda cmake to find mkl.
CC jaglinux
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48035
Reviewed By: zhangguanheng66
Differential Revision: D25246723
Pulled By: malfet
fbshipit-source-id: 9dac130eecd2f76764d8027b888404c87e7a954a
