ARM: UniPhier: add dump command of DDR PHY parameters

This commit adds a dump command of DDR PHY parameters of UniPhier
SoC family.  It might not be used very often for the regular operation
but it would be useful when something goes wrong with DDR memories.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/arch/arm/cpu/armv7/uniphier/Kconfig b/arch/arm/cpu/armv7/uniphier/Kconfig
index 9760299..0556e4b 100644
--- a/arch/arm/cpu/armv7/uniphier/Kconfig
+++ b/arch/arm/cpu/armv7/uniphier/Kconfig
@@ -65,6 +65,13 @@
 	bool
 	default SPL_BUILD
 
+config CMD_DDRPHY_DUMP
+	bool "Enable dump command of DDR PHY parameters"
+	depends on !SPL_BUILD
+	help
+	  The command "ddrphy" shows the resulting parameters of DDR PHY
+	  training; it is useful for the evaluation of DDR PHY training.
+
 choice
 	prompt "DDR3 Frequency select"
 	depends on DRAM_INIT