rockchip: rk3399: remove pinctrl init in spl_board_init

The pinctrl will default init the io while driver is probe
with new pinctrl driver.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/rk3399-board-spl.c b/arch/arm/mach-rockchip/rk3399-board-spl.c
index 890d800..2333694 100644
--- a/arch/arm/mach-rockchip/rk3399-board-spl.c
+++ b/arch/arm/mach-rockchip/rk3399-board-spl.c
@@ -21,7 +21,6 @@
 #include <asm/arch-rockchip/periph.h>
 #include <asm/arch-rockchip/sys_proto.h>
 #include <power/regulator.h>
-#include <dm/pinctrl.h>
 
 void board_return_to_bootrom(void)
 {
@@ -133,7 +132,6 @@
 
 void board_init_f(ulong dummy)
 {
-	struct udevice *pinctrl;
 	struct udevice *dev;
 	struct rk3399_pmusgrf_regs *sgrf;
 	struct rk3399_grf_regs *grf;
@@ -192,12 +190,6 @@
 
 	secure_timer_init();
 
-	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
-	if (ret) {
-		pr_err("Pinctrl init failed: %d\n", ret);
-		return;
-	}
-
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret) {
 		pr_err("DRAM init failed: %d\n", ret);