package/libv4l: fix input_event related compile failure

Add two upstream patches fixing input_event time related
compile failures.

Fixes:

 - http://autobuild.buildroot.net/results/3883a948e30cfd235cfca1fb8646fe8032f5e18d



  keytable.c: In function 'test_event':
  keytable.c:1536:11: error: 'struct input_event' has no member named 'time'; did you mean 'type'?
       ev[i].time.tv_sec, ev[i].time.tv_usec,
             ^~~~
             type
  keytable.c:1536:30: error: 'struct input_event' has no member named 'time'; did you mean 'type'?
       ev[i].time.tv_sec, ev[i].time.tv_usec,
                                ^~~~
                                type

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>