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: NKever Yang <kever.yang@rock-chips.com>

arch/arm/mach-rockchip/rk3288/Kconfig

@@ -160,6 +160,9 @@ config SPL_LIBGENERIC_SUPPORT
 config SPL_SERIAL_SUPPORT
 	default y
 
+config TPL_LDSCRIPT
+	default "arch/arm/mach-rockchip/u-boot-tpl.lds"
+
 config TPL_MAX_SIZE
 	default 32768
 

configs/tinker-rk3288_defconfig

@@ -2,7 +2,6 @@ CONFIG_ARM=y
 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