[X86] Add AMD Renoir (znver2) model number to getHostCPUName and compiler-rt's getAMDProcessorTypeAndSubtype.

[and]

Summary

This is the CPUID model used on Ryzen 4000 series (Zen 2/Renoir) CPUs.
https://www.amd.com/system/files/TechDocs/55922-A1-PUB.zip

This patch based on https://reviews.llvm.org/D70279

Signed-off-by: Andreas Mohr <[e-mail]>

[craig.topper]

LGTM

compiler-rt/lib/builtins/cpu_model.c

case 21:
     break;
   case 22:
     CPU = "btver2";
     *Type = AMD_BTVER2;
     break;
   case 23:
     CPU = "znver1";
     *Type = AMDFAM17H;
-    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x71) {
+    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x60 || Model == 0x71) {
       CPU = "znver2";
       *Subtype = AMDFAM17H_ZNVER2;
-      break; // 30h-3fh, 71h: Zen2
+      break; // 30h-3fh, 60h, 71h: Zen2
     }
     if (Model <= 0x0f) {
       *Subtype = AMDFAM17H_ZNVER1;
       break; // 00h-0Fh: Zen1
     }
     break;
   case 25:
     CPU = "znver3";

llvm/lib/Support/Host.cpp

case 21:
     break;
   case 22:
     CPU = "btver2";
     *Type = X86::AMD_BTVER2;
     break;
   case 23:
     CPU = "znver1";
     *Type = X86::AMDFAM17H;
-    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x71) {
+    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x60 || Model == 0x71) {
       CPU = "znver2";
       *Subtype = X86::AMDFAM17H_ZNVER2;
-      break; // 30h-3fh, 71h: Zen2
+      break; // 30h-3fh, 60h, 71h: Zen2
     }
     if (Model <= 0x0f) {
       *Subtype = X86::AMDFAM17H_ZNVER1;
       break; // 00h-0Fh: Zen1
     }
     break;
   case 25:
     CPU = "znver3";