elfutils: imported from oldpackages, updated to 0.160

The pkg was imported from oldpackages.
It was updated to latest version, requiring some fixes in patches.

I added myself as maintainer.

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>

libs/elfutils/patches/004-memcpy_def.patch

@@ -0,0 +1,14 @@
+--- a/libelf/libelf.h
++++ b/libelf/libelf.h
+@@ -34,6 +34,11 @@
+ /* Get the ELF types.  */
+ #include <elf.h>
+ 
++#ifndef _LIBC
++#ifndef __mempcpy
++#define __mempcpy mempcpy
++#endif
++#endif
+ 
+ /* Known translation types.  */
+ typedef enum