ARM: UniPhier: make pinmon command optional

Add CONFIG_CMD_PINMON to UniPhier-specific Kconfig and make the
"pinmon" command user-configurable.  This command can be disabled
via the configuration if users do not need it.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/cpu/armv7/uniphier/Kconfig

@@ -29,4 +29,13 @@ config MACH_PH1_SLD8
 
 endchoice
 
+config CMD_PINMON
+	bool "Enable boot mode pins monitor command"
+	depends on !SPL_BUILD
+	default y
+	help
+	  The command "pinmon" shows the state of the boot mode pins.
+	  The boot mode pins are latched when the system reset is deasserted
+	  and determine which device the system should load a boot image from.
+
 endmenu

arch/arm/cpu/armv7/uniphier/Makefile

@@ -12,7 +12,7 @@ obj-y += dram_init.o
 obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o
 obj-$(CONFIG_BOARD_LATE_INIT) += board_late_init.o
 obj-$(CONFIG_UNIPHIER_SMP) += smp.o
-obj-$(if $(CONFIG_SPL_BUILD),,y) += cmd_pinmon.o
+obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o
 
 obj-y += board_common.o
 obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += support_card.o