etnaviv: Fix memory corruption
What does this MR do and why?
etnaviv: Update headers from rnndb
Update to rnndb commit 071f5a60dcb8.
This updates VIVS_PA_SHADER_ATTRIBUTES__LEN define from 10 to 16 and
fixes memory corruption if more then 10 varyings are used. The current
upper limit for varyings is 16.
Cc: mesa-stable
Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>