Add NT_PPC_PKEY from Linux 4.16 to elf.h

[Joseph Myers]

This patch adds the NT_PPC_PKEY macro from Linux 4.16 to elf.h.

Tested for x86_64.

2018-04-19  Joseph Myers  <joseph@codesourcery.com>

	* elf/elf.h (NT_PPC_PKEY): New macro.

diff --git a/elf/elf.h b/elf/elf.h
index f774898..a5b2811 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -780,6 +780,8 @@ typedef struct
 					   Register */
 #define NT_PPC_TM_CDSCR	0x10f		/* TM checkpointed Data Stream Control
 					   Register */
+#define NT_PPC_PKEY	0x110		/* Memory Protection Keys
+					   registers.  */
 #define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
 #define NT_X86_XSTATE	0x202		/* x86 extended state using xsave */

-- 
Joseph S. Myers
joseph@codesourcery.com