rockchip: rk3288: add default TPL_LDSCRIPT value in Kconfig

We share the same TPL_LDSCRIPT for all rk3288 board, add
default value in Kconfig.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/rk3288/Kconfig b/arch/arm/mach-rockchip/rk3288/Kconfig
index 9a4c130..57b7962 100644
--- a/arch/arm/mach-rockchip/rk3288/Kconfig
+++ b/arch/arm/mach-rockchip/rk3288/Kconfig
@@ -160,6 +160,9 @@
 config SPL_SERIAL_SUPPORT
 	default y
 
+config TPL_LDSCRIPT
+	default "arch/arm/mach-rockchip/u-boot-tpl.lds"
+
 config TPL_MAX_SIZE
 	default 32768
 
diff --git a/configs/tinker-rk3288_defconfig b/configs/tinker-rk3288_defconfig
index 7695652..b234539 100644
--- a/configs/tinker-rk3288_defconfig
+++ b/configs/tinker-rk3288_defconfig
@@ -2,7 +2,6 @@
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x01000000
 CONFIG_ROCKCHIP_RK3288=y
-CONFIG_TPL_LDSCRIPT="arch/arm/mach-rockchip/u-boot-tpl.lds"
 CONFIG_TARGET_TINKER_RK3288=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_SPL_SIZE_LIMIT=307200