elf_common.h: Add SHT_LLVM_ADDRSIG

Reported by:	bz
Sponsored by:	The FreeBSD Foundation

sys/sys/elf_common.h

@@ -448,6 +448,7 @@ typedef struct {
 #define	SHT_GROUP		17	/* Section group. */
 #define	SHT_SYMTAB_SHNDX	18	/* Section indexes (see SHN_XINDEX). */
 #define	SHT_LOOS		0x60000000	/* First of OS specific semantics */
+#define	SHT_LLVM_ADDRSIG	0x6fff4c03	/* Address significance table */
 #define	SHT_LOSUNW		0x6ffffff4
 #define	SHT_SUNW_dof		0x6ffffff4
 #define	SHT_SUNW_cap		0x6ffffff5