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/dts/Makefile b/arch/arm/dts/Makefile
index 2d75f64..eb68c20 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -36,7 +36,7 @@
 	rk3288-rock2-square.dtb \
 	rk3288-evb.dtb \
 	rk3288-fennec.dtb \
-	rk3288-miniarm.dtb \
+	rk3288-tinker.dtb \
 	rk3288-popmetal.dtb \
 	rk3399-evb.dtb
 dtb-$(CONFIG_ARCH_MESON) += \