radv: clear vertex bindings while resetting command buffer
Only vertex inputs accessed by vertex shader must have valid buffers bound. Signed-off-by:Józef Kucia <joseph.kucia@gmail.com> Reviewed-by:
Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Fixes: 5010436e "radv: bail out when binding the same vertex buffers" (cherry picked from commit 24af0f13)