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/Kconfig b/arch/arm/mach-rockchip/rk3288/Kconfig
index 35d8dbf..738a20d 100644
--- a/arch/arm/mach-rockchip/rk3288/Kconfig
+++ b/arch/arm/mach-rockchip/rk3288/Kconfig
@@ -37,11 +37,11 @@
 	  2GB DDR3. Expansion connectors provide access to I2C, SPI, UART,
 	  GPIOs and display interface.
 
-config TARGET_MINIARM_RK3288
-	bool "miniarm-RK3288"
-	select BOARD_LATE_INIT
+config TARGET_TINKER_RK3288
+	bool "Tinker-RK3288"
+        select BOARD_LATE_INIT
 	help
-	  Miniarm is a RK3288-based development board with 2 USB ports, HDMI,
+	  Tinker is a RK3288-based development board with 2 USB ports, HDMI,
 	  micro-SD card, audio, Gigabit Ethernet. It also includes on-board
 	  8GB eMMC and 2GB of SDRAM. Expansion connectors provide access to
 	  I2C, SPI, UART, GPIOs.
@@ -124,6 +124,6 @@
 
 source "board/rockchip/fennec_rk3288/Kconfig"
 
-source "board/rockchip/miniarm_rk3288/Kconfig"
+source "board/rockchip/tinker_rk3288/Kconfig"
 
 endif