freedreno/ir3: remove first-vertex sysval

This is a driver-param (loaded from uniform), not a sysval (populated by
hw into a register).  So it has no value to having a sysval slot.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
3 files changed