[MIPS64] Add missing elf_machine field.

also correct elf_machine for mips.

Change-Id: I261d5bf54ec7ac88290141a4b4ec12e203c34155
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2035515
Auto-Submit: Yu Yin <xwafish@gmail.com>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66143}

src/diagnostics/perf-jit.h

@@ -81,7 +81,8 @@ class PerfJitLogger : public CodeEventLogger {
   static const uint32_t kElfMachIA32 = 3;
   static const uint32_t kElfMachX64 = 62;
   static const uint32_t kElfMachARM = 40;
-  static const uint32_t kElfMachMIPS = 10;
+  static const uint32_t kElfMachMIPS = 8;
+  static const uint32_t kElfMachMIPS64 = 8;
   static const uint32_t kElfMachARM64 = 183;
   static const uint32_t kElfMachS390x = 22;
   static const uint32_t kElfMachPPC64 = 21;
@@ -95,6 +96,8 @@ class PerfJitLogger : public CodeEventLogger {
     return kElfMachARM;
 #elif V8_TARGET_ARCH_MIPS
     return kElfMachMIPS;
+#elif V8_TARGET_ARCH_MIPS64
+    return kElfMachMIPS64;
 #elif V8_TARGET_ARCH_ARM64
     return kElfMachARM64;
 #elif V8_TARGET_ARCH_S390X