freedreno/a5xx: enable a510

Kernel support for this GPU is added by the following series:
https://patchwork.kernel.org/project/linux-arm-msm/list/?series=187609
In particular https://patchwork.kernel.org/patch/11189953/

Tested on Sony Xperia X and X Compact.

Signed-off-by: Marijn Suijten <marijns95@gmail.com>
Tested-by: AngeloGioacchino Del Regno <kholk11@gmail.com>

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -897,6 +897,7 @@ fd_screen_create(struct fd_device *dev, struct renderonly *ro)
 	case 430:
 		fd4_screen_init(pscreen);
 		break;
+	case 510:
 	case 530:
 	case 540:
 		fd5_screen_init(pscreen);