Added missing caps to debug output.

src/bgfx.cpp

@@ -1506,6 +1506,7 @@ namespace bgfx
 		CAPS_FLAGS(BGFX_CAPS_GRAPHICS_DEBUGGER),
 		CAPS_FLAGS(BGFX_CAPS_HDR10),
 		CAPS_FLAGS(BGFX_CAPS_HIDPI),
+		CAPS_FLAGS(BGFX_CAPS_IMAGE_RW),
 		CAPS_FLAGS(BGFX_CAPS_INDEX32),
 		CAPS_FLAGS(BGFX_CAPS_INSTANCING),
 		CAPS_FLAGS(BGFX_CAPS_OCCLUSION_QUERY),
@@ -1522,6 +1523,7 @@ namespace bgfx
 		CAPS_FLAGS(BGFX_CAPS_VERTEX_ATTRIB_HALF),
 		CAPS_FLAGS(BGFX_CAPS_VERTEX_ATTRIB_UINT10),
 		CAPS_FLAGS(BGFX_CAPS_VERTEX_ID),
+		CAPS_FLAGS(BGFX_CAPS_VIEWPORT_LAYER_ARRAY),
 #undef CAPS_FLAGS
 	};