glsl: add component to ast_type_qualifier::validate_flags
glsl: add component to ast_type_qualifier::validate_flags

This was added with ARB_enhanced_layouts.

V2: Add an extra format specifier for the new qualifier.

Reviewed-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler