v3dv/device: enable largePoints

as we have just set proper values for point granularity etc, we can
enable largePoints. With this change tests like this:
dEQP-VK.rasterization.primitive_size.points.point_size_*

goes from Skip to Pass.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>

src/broadcom/vulkan/v3dv_device.c

@@ -645,7 +645,7 @@ v3dv_GetPhysicalDeviceFeatures(VkPhysicalDevice physicalDevice,
       .fillModeNonSolid = true,
       .depthBounds = false, /* Only available since V3D 4.3.16.2 */
       .wideLines = true,
-      .largePoints = false,
+      .largePoints = true,
       .alphaToOne = false,
       .multiViewport = false,
       .samplerAnisotropy = true,