$NetBSD: patch-scripts_Makefile.spl,v 1.1 2022/11/03 10:55:49 jmcneill Exp $

--- scripts/Makefile.spl.orig	2022-10-03 19:25:32.000000000 +0000
+++ scripts/Makefile.spl
@@ -245,7 +245,7 @@ MKIMAGEFLAGS_boot.bin = -T zynqmpimage -
 endif
 
 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
-	@dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
+	@dd if=$< of=$@ conv=sync bs=4 2>/dev/null;
 
 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
 	$(call if_changed,mkimage)