microcode_ctl security, bug fix and enhancement update

4:20191115-4.20200602.2 - Avoid temporary file creation, used for here-documents in checkcaveats. 4:20191115-4.20200602.1 - Update Intel CPU microcode to microcode-20200602 release, addresses CVE-2020-0543, CVE-2020-0548, CVE-2020-0549 1827183: - Update of 06-2d-06/0x6d SNB-E/EN/EP C1/M0 microcod...