ARM: uniphier: support eMMC boot for PH1-LD11 and PH1-LD20

The Boot ROM on PH1-LD11/LD20 exports built-in APIs to load images
from an eMMC device.  They are useful to reduce the memory footprint
of SPL, rather than compiling the whole MMC framework.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/boot-mode/Makefile b/arch/arm/mach-uniphier/boot-mode/Makefile
index d7fefc5..a898021 100644
--- a/arch/arm/mach-uniphier/boot-mode/Makefile
+++ b/arch/arm/mach-uniphier/boot-mode/Makefile
@@ -14,4 +14,8 @@
 obj-$(CONFIG_ARCH_UNIPHIER_LD11)	+= boot-mode-ld20.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD20)	+= boot-mode-ld20.o
 
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_SPL_BOARD_LOAD_IMAGE)	+= spl_board.o
+else
 obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o
+endif