Add Sapphire Rapids (Golden Cove) microarchitecture detection

Author: fbarchard

include/cpuinfo.h

@@ -355,6 +355,8 @@ enum cpuinfo_uarch {
 	cpuinfo_uarch_sunny_cove = 0x0010020C,
 	/** Intel Willow Cove microarchitecture (10 nm, Tiger Lake). */
 	cpuinfo_uarch_willow_cove = 0x0010020D,
+	/** Intel Golden Cove microarchitecture (Sapphire Rapids). */
+	cpuinfo_uarch_golden_cove = 0x0010020E,
 
 	/** Pentium 4 with Willamette, Northwood, or Foster cores. */
 	cpuinfo_uarch_willamette = 0x00100300,

src/x86/uarch.c

@@ -171,6 +171,8 @@ enum cpuinfo_uarch cpuinfo_x86_decode_uarch(
 						case 0x8C: // Tiger U
 						case 0x8D: // Tiger H
 							return cpuinfo_uarch_willow_cove;
+						case 0x8F: // Sapphire Rapids
+							return cpuinfo_uarch_golden_cove;
 						/* Low-power cores */
 						case 0x1C: // Diamondville,
 							   // Silverthorne,

tools/cpu-info.c

@@ -82,6 +82,8 @@ static const char* uarch_to_string(enum cpuinfo_uarch uarch) {
 			return "Sunny Cove";
 		case cpuinfo_uarch_willow_cove:
 			return "Willow Cove";
+		case cpuinfo_uarch_golden_cove:
+			return "Golden Cove";
 		case cpuinfo_uarch_willamette:
 			return "Willamette";
 		case cpuinfo_uarch_prescott: