ARM: uniphier: add dump command for DDR Multi PHY registers

The ProXstream2/PH1-LD6b is integrated with a new IP for DDR PHY
which is not register-compatible with the former SoCs.
Add a new command to support the register dump of this IP.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/dram/Makefile b/arch/arm/mach-uniphier/dram/Makefile
index 4e7f122..cab7df1 100644
--- a/arch/arm/mach-uniphier/dram/Makefile
+++ b/arch/arm/mach-uniphier/dram/Makefile
@@ -12,3 +12,4 @@
 obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD6B)	+= umc-proxstream2.o
 
 obj-$(CONFIG_CMD_DDRPHY_DUMP) += cmd_ddrphy.o
+obj-$(CONFIG_CMD_DDRMPHY_DUMP) += cmd_ddrmphy.o