rockchip: rename miniarm to tinker board

Miniarm is the internal project code. Now it is officially named Tinker board.
So rename it.

Signed-off-by: Eddie Cai <eddie.cai@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-rockchip/rk3288-board.c b/arch/arm/mach-rockchip/rk3288-board.c
index 8bf45f7..9894a25 100644
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -60,7 +60,7 @@
 	writel(val, CPU_AXI_QOS_PRIORITY + VIO1_VOP_QOS);
 
 	if (!fdt_node_check_compatible(gd->fdt_blob, 0,
-				       "rockchip,rk3288-miniarm"))
+				       "rockchip,rk3288-tinker"))
 	{
 		/* set isp qos to higher priority */
 		writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_R_QOS);