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/dh_imx6_defconfig b/configs/dh_imx6_defconfig
index f7355d2..f0771f5 100644
--- a/configs/dh_imx6_defconfig
+++ b/configs/dh_imx6_defconfig
@@ -26,6 +26,7 @@
# CONFIG_SYS_MALLOC_F is not set
CONFIG_FIT=y
CONFIG_SPL_FIT=y
+# CONFIG_USE_SPL_FIT_GENERATOR is not set
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
CONFIG_BOOTDELAY=3
# CONFIG_USE_BOOTCOMMAND is not set