dm: Change CMD_DM enabling

CMD_DM is used for debug purpose and it shouldn't be enabled by default
via Kconfig. Unfortunately this is in the tree for quite a long time
that's why solution is to use imply DM for all targets which are
enabling DM.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 315d89d..31b622f 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -42,6 +42,7 @@
 	select SUPPORTS_CPU_MIPS64_R6
 	select SUPPORTS_LITTLE_ENDIAN
 	select SWAP_IO_SPACE
+	imply CMD_DM
 
 config TARGET_VCT
 	bool "Support vct"
@@ -74,6 +75,7 @@
 	bool "Support QCA/Atheros ath79"
 	select DM
 	select OF_CONTROL
+	imply CMD_DM
 
 config ARCH_BMIPS
 	bool "Support BMIPS SoCs"
@@ -83,11 +85,13 @@
 	select OF_CONTROL
 	select RAM
 	select SYSRESET
+	imply CMD_DM
 
 config MACH_PIC32
 	bool "Support Microchip PIC32"
 	select DM
 	select OF_CONTROL
+	imply CMD_DM
 
 config TARGET_BOSTON
 	bool "Support Boston"
@@ -107,6 +111,7 @@
 	select SUPPORTS_CPU_MIPS64_R2
 	select SUPPORTS_CPU_MIPS64_R6
 	select SUPPORTS_LITTLE_ENDIAN
+	imply CMD_DM
 
 config TARGET_XILFPGA
 	bool "Support Imagination Xilfpga"
@@ -120,6 +125,7 @@
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SUPPORTS_LITTLE_ENDIAN
+	imply CMD_DM
 	help
 	  This supports IMGTEC MIPSfpga platform