intel-microcode: update to 20180312
- Update microcode for 24 CPU types
- Implements IBRS/IBPB/STIPB support, Spectre-v2 mitigation for:
Sandybridge, Ivy Bridge, Haswell, Broadwell, Skylake, Kaby Lake,
Coffee Lake
- Missing production updates:
- Broadwell-E/EX Xeons (sig 0x406f1)
- Anniedale/Morefield, Apollo Lake, Avoton, Cherry Trail, Braswell,
Gemini Lake, Denverton
- New Microcodes:
- sig 0x00050653, pf_mask 0x97, 2018-01-29, rev 0x1000140
- sig 0x00050665, pf_mask 0x10, 2018-01-22, rev 0xe000009
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
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