v2.7.27

Dortania strict conformance pass (v2.7.27)

Fix 20 deviations from Dortania OpenCore Install Guide:

Critical ig-platform-id fixes:
- Skylake laptop: AAAZYQ== (wrong) → AAAWGQ== (0x19160000)
- Kaby Lake laptop: AABZYQ== (wrong) → AAAbWQ== (0x591B0000)
- Ice Lake laptop: AAD/AQ== (wrong) → AABSig== (0x8A520000)
- Add Sandy Bridge + Ivy Bridge to all ig-platform-id tables

SIP policy:
- csr-active-config: 0x67 → 0x00000000 (Dortania standard, SIP enabled)

SSDT conformance:
- Sandy/Ivy Bridge: remove SSDT-PLUG (pre-XCPM, no plugin-type)
- Ivy Bridge-E: SSDT-EC only (pre-XCPM HEDT)
- All X99 HEDT: add SSDT-UNC
- Haswell-E/Broadwell-E: add SSDT-RTC0-RANGE

Quirk conformance:
- Add IgnoreInvalidFlexRatio for Sandy→Broadwell + HEDT
- Add ProtectMemoryRegions for Skylake+ laptops
- Split Bulldozer from Ryzen (legacy vs modern booter quirks)
- Ice Lake: modern quirk set (DevirtualiseMmio, ProtectUefiServices)
- Comet Lake: ProtectUefiServices always true
- Ivy Bridge-E: AppleCpuPmCfgLock=true (pre-XCPM)

SMBIOS conformance:
- Haswell-E/Broadwell-E/Cascade Lake-X → iMacPro1,1
- Ice Lake laptop → MacBookAir9,1
- Haswell desktop dGPU → iMac15,1

CPUID spoofing:
- Add Haswell-E CPUID spoof (C3060300)

134 new Dortania conformance tests (1108 total).