--- zzzz-none-000/linux-4.9.231/drivers/of/Kconfig	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/drivers/of/Kconfig	2022-03-30 12:03:35.000000000 +0000
@@ -116,4 +116,11 @@
 	# arches should select this if DMA is coherent by default for OF devices
 	bool
 
+config AVM_INVALID_DTB_V17
+	bool "Support invalid v17 dtbs"
+	help
+	  Some urlader versions emit dtbs that claim to be in v17 format, but
+	  set size_dt_strings and size_dt_struct in the header to 0. Mitigate
+	  this by parsing them as v16 dtbs.
+
 endif # OF