nir: get ffma support from NIR options for nir_lower_flrp

This also fixes the inverted last parameter of nir_lower_flrp in most drivers.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6599>
diff --git a/src/gallium/frontends/vallium/val_pipeline.c b/src/gallium/frontends/vallium/val_pipeline.c
index fb0a88a..a1d8390 100644
--- a/src/gallium/frontends/vallium/val_pipeline.c
+++ b/src/gallium/frontends/vallium/val_pipeline.c
@@ -590,7 +590,7 @@
    do {
       progress = false;
 
-      progress |= OPT(nir_lower_flrp, 32|64, true, false);
+      progress |= OPT(nir_lower_flrp, 32|64, true);
       progress |= OPT(nir_split_array_vars, nir_var_function_temp);
       progress |= OPT(nir_shrink_vec_array_vars, nir_var_function_temp);
       progress |= OPT(nir_opt_deref);