mesa: include mtypes.h less

- remove mtypes.h from most header files
- add main/menums.h for often used definitions
- remove main/core.h

v2: fix radv build

Reviewed-by: Brian Paul <brianp@vmware.com>

src/compiler/glsl/ast_function.cpp

@@ -25,7 +25,7 @@
 #include "ast.h"
 #include "compiler/glsl_types.h"
 #include "ir.h"
-#include "main/core.h" /* for MIN2 */
+#include "main/mtypes.h"
 #include "main/shaderobj.h"
 #include "builtin_functions.h"