cmd: Move the "dm" command from test/dm/ to cmd/

The "dm" command under CONFIG_CMD_DM should live under cmd/ rather than
test/dm/ so move it.
Signed-off-by: NTom Rini <trini@konsulko.com>

cmd/Makefile

@@ -40,6 +40,7 @@ obj-$(CONFIG_CMD_CPU) += cpu.o
 obj-$(CONFIG_DATAFLASH_MMC_SELECT) += dataflash_mmc_mux.o
 obj-$(CONFIG_CMD_DATE) += date.o
 obj-$(CONFIG_CMD_DEMO) += demo.o
+obj-$(CONFIG_CMD_DM) += dm.o
 obj-$(CONFIG_CMD_SOUND) += sound.o
 ifdef CONFIG_POST
 obj-$(CONFIG_CMD_DIAG) += diag.o

test/dm/Makefile

@@ -2,7 +2,6 @@
 #
 # Copyright (c) 2013 Google, Inc
 
-obj-$(CONFIG_CMD_DM) += cmd_dm.o
 obj-$(CONFIG_UT_DM) += bus.o
 obj-$(CONFIG_UT_DM) += test-driver.o
 obj-$(CONFIG_UT_DM) += test-fdt.o