linux: enable CONFIG_FHANDLE

Udev has race conditions without it enabled, see
https://www.mail-archive.com/systemd-devel@lists.freedesktop.org/msg16660.html
for more details.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Merge pull request #41 from koenkooi/udev-fix

linux: enable CONFIG_FHANDLE
linux: disable CONFIG_DEBUG_INFO

This options adds a ton of debug symbols leading to *very* large
binaries:

5.2M kernel-module-8188eu_3.4.79-r0.8_olinuxino_a20.ipk
4.9M kernel-module-8189es_3.4.79-r0.8_olinuxino_a20.ipk
3.6M kernel-module-8192cu_3.4.79-r0.8_olinuxino_a20.ipk

After this change:

244K kernel-module-8188eu_3.4.79-r0.12_olinuxino_a20.ipk
224K kernel-module-8189es_3.4.79-r0.12_olinuxino_a20.ipk
208K kernel-module-8192cu_3.4.79-r0.12_olinuxino_a20.ipk

End users don't need such detailed debug symbols.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Merge pull request #42 from koenkooi/kernel-debugsize

linux: disable CONFIG_DEBUG_INFO