Update to kernel headers v5.2.

Test: Booted a taimen, ran unit bionic unit tests.
Change-Id: I3522c59793bbcef98ea515996a481d92f14b8816
diff --git a/libc/kernel/uapi/asm-x86/asm/perf_regs.h b/libc/kernel/uapi/asm-x86/asm/perf_regs.h
index 6a015ba..984b7ea 100644
--- a/libc/kernel/uapi/asm-x86/asm/perf_regs.h
+++ b/libc/kernel/uapi/asm-x86/asm/perf_regs.h
@@ -45,5 +45,23 @@
   PERF_REG_X86_R15,
   PERF_REG_X86_32_MAX = PERF_REG_X86_GS + 1,
   PERF_REG_X86_64_MAX = PERF_REG_X86_R15 + 1,
+  PERF_REG_X86_XMM0 = 32,
+  PERF_REG_X86_XMM1 = 34,
+  PERF_REG_X86_XMM2 = 36,
+  PERF_REG_X86_XMM3 = 38,
+  PERF_REG_X86_XMM4 = 40,
+  PERF_REG_X86_XMM5 = 42,
+  PERF_REG_X86_XMM6 = 44,
+  PERF_REG_X86_XMM7 = 46,
+  PERF_REG_X86_XMM8 = 48,
+  PERF_REG_X86_XMM9 = 50,
+  PERF_REG_X86_XMM10 = 52,
+  PERF_REG_X86_XMM11 = 54,
+  PERF_REG_X86_XMM12 = 56,
+  PERF_REG_X86_XMM13 = 58,
+  PERF_REG_X86_XMM14 = 60,
+  PERF_REG_X86_XMM15 = 62,
+  PERF_REG_X86_XMM_MAX = PERF_REG_X86_XMM15 + 2,
 };
+#define PERF_REG_EXTENDED_MASK (~((1ULL << PERF_REG_X86_XMM0) - 1))
 #endif