microcode_ctl security, bug fix and enhancement update

4:20210216-1.20210608.0.1 - add support for UEK6 kernels - enable early update for 06-4f-01 - remove no longer appropriate caveats for 06-2d-07 and 06-55-04 - enable early and late load on RHCK 4:20210216-1.20210608.1 - Update Intel CPU microcode to microcode-20210608 release: - Fixes in...