bootscript: sunxi: Delete the vendor's name from the fdtfile variable

Do not inform the user if the fixup.scr file was not found.

config/bootscripts/boot-sunxi.cmd

@@ -45,6 +45,12 @@ if test -e ${devtype} ${devnum} ${prefix}armbianEnv.txt; then
 	env import -t ${load_addr} ${filesize}
 fi
 
+# Delete the vendor's name from the fdtfile variable and record the result
+# after the file with the environment variables has been read
+if setexpr subfdt sub ${vendor}/ "" ${fdtfile};then
+	setenv fdtfile ${subfdt}
+fi
+
 # In this shell, we can only check the existence of the file.
 # Make a check of reasonable ways to find the dtb file.
 # Set the true value of the paths.
@@ -112,7 +118,8 @@ if test -e ${devtype} ${devnum} "${prefix}.next"; then
 		echo "Error applying DT overlays, restoring original DT"
 		load ${devtype} ${devnum} ${fdt_addr_r} ${fdtdir}/${fdtfile}
 	else
-		if load ${devtype} ${devnum} ${load_addr} ${fdtdir}/overlay/${overlay_prefix}-fixup.scr; then
+		if test -e ${devtype} ${devnum} ${fdtdir}/overlay/${overlay_prefix}-fixup.scr; then
+			load ${devtype} ${devnum} ${load_addr} ${fdtdir}/overlay/${overlay_prefix}-fixup.scr
 			echo "Applying kernel provided DT fixup script (${overlay_prefix}-fixup.scr)"
 			source ${load_addr}
 		fi