libbpf: Bump version to 0.1.0

Bump libbpf version to 0.1.0, as new development cycle starts.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200617183132.1970836-1-andriin@fb.com

tools/lib/bpf/libbpf.map

@@ -270,3 +270,6 @@ LIBBPF_0.0.9 {
 		ring_buffer__new;
 		ring_buffer__poll;
 } LIBBPF_0.0.8;
+
+LIBBPF_0.1.0 {
+} LIBBPF_0.0.9;