sandbox: Correct ordering of 'sb save' commands

Prior to commit d455d87 there was an inconsistency between the position of
the 'address' parameter in 'sb load' and 'sb save'. This was corrected but
it broke some tests. Fix the tests and also the help for 'sb save'.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/image/test-fit.py b/test/image/test-fit.py
index b065fcb..0eb424d 100755
--- a/test/image/test-fit.py
+++ b/test/image/test-fit.py
@@ -97,9 +97,9 @@
 fdt addr %(fit_addr)x
 bootm start %(fit_addr)x
 bootm loados
-sb save hostfs 0 %(kernel_out)s %(kernel_addr)x %(kernel_size)x
-sb save hostfs 0 %(fdt_out)s %(fdt_addr)x %(fdt_size)x
-sb save hostfs 0 %(ramdisk_out)s %(ramdisk_addr)x %(ramdisk_size)x
+sb save hostfs 0 %(kernel_addr)x %(kernel_out)s %(kernel_size)x
+sb save hostfs 0 %(fdt_addr)x %(fdt_out)s %(fdt_size)x
+sb save hostfs 0 %(ramdisk_addr)x %(ramdisk_out)s %(ramdisk_size)x
 reset
 '''