ARM: UniPhier: move UART pin settings to SPL

The UniPhier platform is going to enable Driver Model and UART
support on SPL.  Move UART pin settings to early_pin_init(),
which is called from SPL.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/spl.c b/arch/arm/mach-uniphier/spl.c
index c3d90d0..a0d0f04 100644
--- a/arch/arm/mach-uniphier/spl.c
+++ b/arch/arm/mach-uniphier/spl.c
@@ -20,6 +20,7 @@
 void pin_init(void);
 void memconf_init(void);
 void early_clkrst_init(void);
+void early_pin_init(void);
 int umc_init(void);
 void enable_dpll_ssc(void);
 
@@ -47,6 +48,10 @@
 
 	led_write(L, 2, , );
 
+	early_pin_init();
+
+	led_write(L, 3, , );
+
 	{
 		int res;
 
@@ -56,9 +61,9 @@
 				;
 		}
 	}
-	led_write(L, 3, , );
+	led_write(L, 4, , );
 
 	enable_dpll_ssc();
 
-	led_write(L, 4, , );
+	led_write(L, 5, , );
 }