This code was copy and pasted from the 11F unpacking, but not updated
for actually being 10 bits instead of 11.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41206 Reviewed-by: Marek Ol ák <maraeo@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>