package/gst1-plugins-bad: fix build with fdk-aac 2.0

package/gst1-plugins-bad: fix build with fdk-aac 2.0

Fixes:
http://autobuild.buildroot.net/results/343/343249ab34ab77be3b8077f544b9d1e2d4852796/
http://autobuild.buildroot.net/results/edc/edca961f2c4d1946385ac86a756308caaf22d79d/

Fdk-aac 2.0 dropped some legacy APIs, breaking the build of the fdk-aac
plugin.  Add two upstream upstream patches to fix building against fdk-aac
2.0.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Ryan Barnett <ryan.barnett@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>