compiler/link: move add_program_resource to linker_util

So it could be used by the GLSL and NIR linker.

v2: (Timothy Arceri)
   * Moved from compiler to compiler/glsl
   * Method renamed to link_util_add_program_resource

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

src/compiler/glsl/linker_util.h

@@ -36,6 +36,11 @@ linker_error(struct gl_shader_program *prog, const char *fmt, ...);
 void
 linker_warning(struct gl_shader_program *prog, const char *fmt, ...);
 
+bool
+link_util_add_program_resource(struct gl_shader_program *prog,
+                               struct set *resource_set,
+                               GLenum type, const void *data, uint8_t stages);
+
 #ifdef __cplusplus
 }
 #endif