ARM: uniphier: add more init code for PXs3

Add the boot device table and reset deassertion for eMMC.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/boot-device/Makefile b/arch/arm/mach-uniphier/boot-device/Makefile
index a54d2ac..abb58a7 100644
--- a/arch/arm/mach-uniphier/boot-device/Makefile
+++ b/arch/arm/mach-uniphier/boot-device/Makefile
@@ -13,6 +13,7 @@
 obj-$(CONFIG_ARCH_UNIPHIER_LD6B)	+= boot-device-pxs2.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD11)	+= boot-device-ld11.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= boot-device-ld11.o
+obj-$(CONFIG_ARCH_UNIPHIER_PXS3)	+= boot-device-pxs3.o
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_SPL_BOARD_LOAD_IMAGE)	+= spl_board.o