Makefile: Allow CONFIG_SPL_FIT_GENERATOR to be empty
At present we use the empty string to indicate that there is no FIT
generator, but this doesn't allow an individual board to undefine it.
Create a separate bool instead.
Update the config of the boards which currently have an empty string.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/display5_defconfig b/configs/display5_defconfig
index 654eb23..c9971d6 100644
--- a/configs/display5_defconfig
+++ b/configs/display5_defconfig
@@ -29,6 +29,7 @@
CONFIG_DEFAULT_DEVICE_TREE="imx6q-display5"
CONFIG_FIT=y
CONFIG_SPL_LOAD_FIT=y
+# CONFIG_USE_SPL_FIT_GENERATOR is not set
CONFIG_OF_BOARD_SETUP=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,MX6Q"
CONFIG_SUPPORT_RAW_INITRD=y