ARM: uniphier: move pin-mux code into pin_init function

The code in uniphier_sld3_sbc_init() is pin-muxing, so it would
be a better fit in uniphier_sld3_early_pin_init().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/early-pinctrl/early-pinctrl-sld3.c b/arch/arm/mach-uniphier/early-pinctrl/early-pinctrl-sld3.c
index 22c07fb..6c5d58f 100644
--- a/arch/arm/mach-uniphier/early-pinctrl/early-pinctrl-sld3.c
+++ b/arch/arm/mach-uniphier/early-pinctrl/early-pinctrl-sld3.c
@@ -22,5 +22,7 @@
 	sg_set_pinsel(102, 2, 4, 4);	/* TXD2 */
 #endif
 
+	sg_set_pinsel(99, 1, 4, 4);	/* GPIO26 -> EA24 */
+
 	return 0;
 }