Update alsa-tools to rev 78 via SR 782533
https://build.opensuse.org/request/show/782533
by user scarabeus_iv + dimstar_suse
- Update to 1.2.2 (do not support Python 2 and PyGtk).
- Remove
0001-hdspmixer-Use-__u32-and-__u64-for-RMS-array-types.patch
which was included upstream.