intel: Enable EXT_gpu_program_parameters.

There doesn't appear to be any driver impact for enabling this, and
tests/prog_parameter passes.

src/mesa/drivers/dri/intel/intel_extensions.c

@@ -46,6 +46,7 @@
 #define need_GL_EXT_fog_coord
 #define need_GL_EXT_framebuffer_object
 #define need_GL_EXT_framebuffer_blit
+#define need_GL_EXT_gpu_program_parameters
 #define need_GL_EXT_point_parameters
 #define need_GL_EXT_secondary_color
 #define need_GL_EXT_stencil_two_side
@@ -89,6 +90,7 @@ static const struct dri_extension card_extensions[] = {
    { "GL_EXT_blend_subtract",             NULL },
    { "GL_EXT_cull_vertex",                GL_EXT_cull_vertex_functions },
    { "GL_EXT_fog_coord",                  GL_EXT_fog_coord_functions },
+   { "GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions },
    { "GL_EXT_packed_depth_stencil",       NULL },
    { "GL_EXT_secondary_color",            GL_EXT_secondary_color_functions },
    { "GL_EXT_stencil_wrap",               NULL },