mesa/spirv: move and rename nir_spirv_supported_capabilities

To avoid any vulkan driver to include the GL mtypes.h. Renamed as
eventually this could be used by drivers not using nir.

v2: remove compiler/spirv/spirv.h from mtypes (Alejandro)
v3: added the definition at compiler/shader_info.h (Jason Ekstrand)

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/compiler/shader_info.h

@@ -31,6 +31,19 @@
 extern "C" {
 #endif
 
+struct spirv_supported_capabilities {
+   bool float64;
+   bool image_ms_array;
+   bool tessellation;
+   bool draw_parameters;
+   bool image_read_without_format;
+   bool image_write_without_format;
+   bool int64;
+   bool multiview;
+   bool variable_pointers;
+   bool storage_16bit;
+};
+
 typedef struct shader_info {
    const char *name;