radeonsi: mark all bound shader buffer ranges as initialized

This should prevent cases when a buffer was incorrectly mapped without
synchronization just because this wasn't done.

Cc: 13.0 17.0 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
(cherry picked from commit 71a2e4e9452a6890197f8b629b2d8359bdd58913)
1 file changed