ARM: uniphier: move cmd_pinmon.c to boot-mode subdirectory

This command shows the boot mode pins, so it would be more at home
in the boot-mode subdirectory.

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 0797d6e..be0de8f 100644
--- a/arch/arm/mach-uniphier/boot-mode/Makefile
+++ b/arch/arm/mach-uniphier/boot-mode/Makefile
@@ -11,3 +11,5 @@
 obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO5)	+= boot-mode-ph1-pro5.o
 obj-$(CONFIG_ARCH_UNIPHIER_PROXSTREAM2)	+= boot-mode-proxstream2.o
 obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD6B)	+= boot-mode-proxstream2.o
+
+obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o