microblaze: Remove CONFIG_FIT from board file

And enable it via defconfig by default.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

configs/microblaze-generic_defconfig

@@ -5,6 +5,8 @@ CONFIG_TARGET_MICROBLAZE_GENERIC=y
 CONFIG_SYS_TEXT_BASE=0x29000000
 CONFIG_DEFAULT_DEVICE_TREE="microblaze-generic"
 CONFIG_SPL=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
 CONFIG_SYS_PROMPT="U-Boot-mONStR> "
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set

include/configs/microblaze-generic.h

@@ -294,7 +294,6 @@
 
 /* Enable flat device tree support */
 #define CONFIG_LMB		1
-#define CONFIG_FIT		1
 #define CONFIG_OF_LIBFDT	1
 
 #if defined(CONFIG_XILINX_AXIEMAC)