microblaze: Enable OF_CONTROL by default

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/Kconfig

@@ -11,6 +11,7 @@ choice
 config TARGET_MICROBLAZE_GENERIC
 	bool "Support microblaze-generic"
 	select SUPPORT_SPL
+	select OF_CONTROL
 
 endchoice
 

configs/microblaze-generic_defconfig

@@ -7,5 +7,4 @@ CONFIG_SPL=y
 CONFIG_SYS_PROMPT="U-Boot-mONStR> "
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y