[package] kernel: enable kernel support for ALSA midi

[package] kernel: enable kernel support for ALSA midi

Here is a newer version of the patch:

Enable the real ALSA midi interface (seq) in the kernel. The existing
rawmidi interface is still present. This allows for the alsa midi
utilities to work.

Signed-off-by: Adam Goode <adam@spicenitz.org>
[b_tsiligiannis: replaced $(LINUX_KMOD_SUFFIX) with .ko]
Signed-off-by: Vasilis Tsiligiannis <b_tsiligiannis@silverton.gr>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32712 3c298f89-4303-0410-b956-a3cf2f4a3e73