feat: tooling to generate the inteldb from trusted sources

The old Intel HTML and XSLX files contain historical data from EOL
processors that are no longer present in their Github repo. We merge
these 3 sources to generate our db.

scripts/intel-affected-processor-list/header.txt

@@ -0,0 +1,18 @@
+# vim: set ts=4 sw=4 sts=4 et:
+#
+# N: Not affected
+# S: Affected, software fix
+# H: Affected, hardware fix
+# M: Affected, MCU update needed
+# B: Affected, BIOS update needed
+# X: Affected, no planned mitigation
+# Y: Affected (no details available)
+# MS: Affected, MCU + software fix
+# HS: Affected, hardware + software fix
+# HM: Affected, hardware + MCU fix
+#
+# Entries may have an optional hybrid qualifier after the CPUID:
+#   0xCPUID,H=1,...   matches only hybrid CPUs (CPUID.0x7.EDX[15]=1)
+#   0xCPUID,H=0,...   matches only non-hybrid CPUs (CPUID.0x7.EDX[15]=0)
+#   0xCPUID,...        matches any CPU (no qualifier = fallback)
+#