elf.h: add NT_ARM_PAC{A,G}_KEYS from linux v5.1
to request or change pointer auth keys for criu via ptrace, new in
linux commit d0a060be573bfbf8753a15dca35497db5e968bb0
arm64: add ptrace regsets for ptrauth key management
diff --git a/include/elf.h b/include/elf.h
index 41e6e0c..549f92c 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -683,6 +683,8 @@
#define NT_ARM_SYSTEM_CALL 0x404
#define NT_ARM_SVE 0x405
#define NT_ARM_PAC_MASK 0x406
+#define NT_ARM_PACA_KEYS 0x407
+#define NT_ARM_PACG_KEYS 0x408
#define NT_METAG_CBUF 0x500
#define NT_METAG_RPIPE 0x501
#define NT_METAG_TLS 0x502
