bind: not available for static builds

Fixes:
http://autobuild.buildroot.net/results/e27/e27111f484f72c77d2179fa1a29ea7b5271ff9fa/



While at it rename patches to new convention.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>