package/intel-microcode: security bump to version 20200616

package/intel-microcode: security bump to version 20200616

Contains mitigations for the Special Register Buffer Data Sampling
(CVE-2020-0543), Vector Register Sampling (CVE-2020-0548) and L1D
Eviction Sampling (CVE-2020-0549) hardware vulnerabilities.

For more details, see the advisories:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00329.html

Adjust the license hash for a change of copyright year:
-Copyright (c) 2018-2019 Intel Corporation.
+Copyright (c) 2018-2020 Intel Corporation.

And adjust the .hash file to use two spaces.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>