etnaviv: stop touching code steering bits while updating uniforms

Bit 0 of the SH_CONTROL register does not control uniform cache
flushes so stop touching this bit when updating the uniforms.
While it is harmless to change the bit at this time in the emit
sequence, it's confusing and not needed.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36114>
1 file changed