intel/brw: Rename brw_fs_builder.h to brw_builder.h

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33076>

src/intel/compiler/test_lower_scoreboard.cpp

@@ -23,7 +23,7 @@
 
 #include <gtest/gtest.h>
 #include "brw_fs.h"
-#include "brw_fs_builder.h"
+#include "brw_builder.h"
 #include "brw_cfg.h"
 
 using namespace brw;