rockchip: rk3399: remove TPL_BOARD_INIT

RK3399 TPL do not need a dedicate board init, print the firmware
info when debug init instead.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 3c17994..28bae2e 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -173,7 +173,6 @@
 	imply TPL_LIBCOMMON_SUPPORT
 	imply TPL_LIBGENERIC_SUPPORT
 	imply TPL_SYS_MALLOC_SIMPLE
-	imply TPL_BOARD_INIT
 	imply TPL_BOOTROM_SUPPORT
 	imply TPL_DRIVERS_MISC_SUPPORT
 	imply TPL_OF_CONTROL
diff --git a/arch/arm/mach-rockchip/rk3399-board-tpl.c b/arch/arm/mach-rockchip/rk3399-board-tpl.c
index 740470d..117b74c 100644
--- a/arch/arm/mach-rockchip/rk3399-board-tpl.c
+++ b/arch/arm/mach-rockchip/rk3399-board-tpl.c
@@ -31,7 +31,8 @@
 	 * printhex8(0x1234);
 	 * printascii("string");
 	 */
-	debug("U-Boot TPL board init\n");
+	printascii("\nU-Boot TPL "  PLAIN_VERSION " (" U_BOOT_DATE " - "
+	     U_BOOT_TIME " " U_BOOT_TZ ")\n");
 #endif
 	ret = spl_early_init();
 	if (ret) {
@@ -58,12 +59,6 @@
 	return BOOT_DEVICE_BOOTROM;
 }
 
-void spl_board_init(void)
-{
-	puts("\nU-Boot TPL "  PLAIN_VERSION " (" U_BOOT_DATE " - "
-	     U_BOOT_TIME " " U_BOOT_TZ ")\n");
-}
-
 #ifdef CONFIG_SPL_LOAD_FIT
 int board_fit_config_name_match(const char *name)
 {