microblaze: Enable OF_CONTROL by default

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 077b2a7..a730b72 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -11,6 +11,7 @@
 config TARGET_MICROBLAZE_GENERIC
 	bool "Support microblaze-generic"
 	select SUPPORT_SPL
+	select OF_CONTROL
 
 endchoice
 
diff --git a/configs/microblaze-generic_defconfig b/configs/microblaze-generic_defconfig
index 98391c8..c13efd0 100644
--- a/configs/microblaze-generic_defconfig
+++ b/configs/microblaze-generic_defconfig
@@ -7,5 +7,4 @@
 CONFIG_SYS_PROMPT="U-Boot-mONStR> "
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y