keepalived: bump to version 2.0.10

keepalived: bump to version 2.0.10

- This version adds support for ipset version 7, see:
  https://github.com/acassen/keepalived/commit/b7a98f9265ffb5927c4d54c9a30726c76e65bb52
- Remove patch and AUTORECONF = YES, an alternative solution has been
  implemented, see:
  https://github.com/acassen/keepalived/commit/9bd10d8168b8e3c14bca61e504e64ed8c2b1eb8d
- Disable hardening option (enabled by default):
  https://github.com/acassen/keepalived/commit/5a65e1eb552bd973da35d7153b922682360a5ad2

Fixes:
 - http://autobuild.buildroot.org/results/b730e8b25c1d3343b7a6d73f6d3b82b13692578b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>