This update for ucode-intel brings newer revisions of microcode firmwares for many
Intel devices:

- BDX-ML B0/M0/R0 (06-4f-01:ef): b00001f -> b000021
- Skylake D0 (06-4e-03:c0): 9e -> ba
- Broadwell ULT/ULX E/F-step (06-3d-04:c0): 24 -> 25
- ULT Cx/Dx (06-45-01:72): 1f -> 20
- Crystalwell Cx (06-46-01:32): 16 -> 17
- Broadwell Halo E/G-step (06-47-01:22): 16 -> 17
- HSX EX E0 (06-3f-04:80): d -> f
- Skylake R0 (06-5e-03:36): 9e -> ba
- Haswell Cx/Dx (06-3c-03:32): 20 -> 22
- HSX C0 (06-3f-02:6f): 39 -> 3a
- KBL H0 (06-8e-09:c0): -> 62
- KBL Y0 (06-8e-0a:c0): -> 66
- KBL B0 (06-9e-09:2a): -> 5e
- SKX H0 (06-55-04:97): -> 2000022

The updated CPU microcode addresses the following bugs:

- Intel Skylake AVX/ FMA3 issue. (bsc#993639)
- Intel Skylake HyperThreading issue. (bsc#1046431)