af_xdp: bump libbpf version to 0.5

Type: improvement

Change-Id: Ia089a82a460b69e0edf69c8b8d3dc2814fa54c35
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/build/external/packages/libbpf.mk b/build/external/packages/libbpf.mk
index 39da05d..78b1468 100644
--- a/build/external/packages/libbpf.mk
+++ b/build/external/packages/libbpf.mk
@@ -13,10 +13,10 @@
 
 LIBBPF_DEBUG?=n
 
-libbpf_version             := 0.2
+libbpf_version             := 0.5.0
 libbpf_tarball             := v$(libbpf_version).tar.gz
 libbpf_tarball_md5sum_0.2  := cd0f82d76a9830c1e66b1a249393d5a8
-libbpf_tarball_md5sum_0.1.0 := 00b991a6e2d28d797a56ab1575ed40e1
+libbpf_tarball_md5sum_0.5.0:= ba0a514d2775f033c24a6fec37e587bc
 libbpf_tarball_md5sum      := $(libbpf_tarball_md5sum_$(libbpf_version))
 libbpf_tarball_strip_dirs  := 1
 libbpf_url                 := https://github.com/libbpf/libbpf/archive/$(libbpf_tarball)