dm: Reduce SPL device tree size
The SPL device tree size must be minimised to save memory. Only include
properties that are needed by SPL - this is determined by the presence
of the "u-boot,dm-pre-reloc" property. Also remove a predefined list of
unused properties from the nodes that remain.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/Makefile b/Makefile
index b6f83a5..0aa5e6a 100644
--- a/Makefile
+++ b/Makefile
@@ -1259,7 +1259,7 @@
spl/u-boot-spl.bin: spl/u-boot-spl
@:
-spl/u-boot-spl: tools prepare
+spl/u-boot-spl: tools prepare $(if $(CONFIG_OF_SEPARATE),dts/dt.dtb)
$(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all
spl/sunxi-spl.bin: spl/u-boot-spl