Update to kernel headers v4.12.3.

Test: Built angler.
Change-Id: Icbcf4fac2334de8409b049ed7a3b4c24b4e98ce9
diff --git a/libc/kernel/uapi/linux/kvm_para.h b/libc/kernel/uapi/linux/kvm_para.h
index 84b31a8..5035c23 100644
--- a/libc/kernel/uapi/linux/kvm_para.h
+++ b/libc/kernel/uapi/linux/kvm_para.h
@@ -22,6 +22,7 @@
 #define KVM_EFAULT EFAULT
 #define KVM_E2BIG E2BIG
 #define KVM_EPERM EPERM
+#define KVM_EOPNOTSUPP 95
 #define KVM_HC_VAPIC_POLL_IRQ 1
 #define KVM_HC_MMU_OP 2
 #define KVM_HC_FEATURES 3
@@ -30,5 +31,6 @@
 #define KVM_HC_MIPS_GET_CLOCK_FREQ 6
 #define KVM_HC_MIPS_EXIT_VM 7
 #define KVM_HC_MIPS_CONSOLE_OUTPUT 8
+#define KVM_HC_CLOCK_PAIRING 9
 #include <asm/kvm_para.h>
 #endif