radeonsi: rename enable_s3tc -> enable_compressed_formats
radeonsi: rename enable_s3tc -> enable_compressed_formats

Reviewed-by: Alex Deucher <08dc22c6156113f2deff178e35e3ed9b24d6af9e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler