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/sbc/Makefile b/arch/arm/mach-uniphier/sbc/Makefile
index 236f136..38da253 100644
--- a/arch/arm/mach-uniphier/sbc/Makefile
+++ b/arch/arm/mach-uniphier/sbc/Makefile
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_ARCH_UNIPHIER_SLD3)	+= sbc-admulti.o sbc-sld3.o
+obj-$(CONFIG_ARCH_UNIPHIER_SLD3)	+= sbc-admulti.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD4)		+= sbc-savepin.o sbc-ld4.o
 obj-$(CONFIG_ARCH_UNIPHIER_PRO4)	+= sbc-savepin.o
 obj-$(CONFIG_ARCH_UNIPHIER_SLD8)	+= sbc-savepin.o sbc-ld4.o