USB: Update default usb-storage delay_use value in kernel-parameters.txt

Back in 2010 the default usb-storage delay_use time was reduced from 5 to 1
second (commit a4a47bc0), but
kernel-parameters.txt wasn't updated to reflect that.
Signed-off-by: NMark Knibbs <markk@clara.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/kernel-parameters.txt

@@ -3621,7 +3621,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	usb-storage.delay_use=
 			[UMS] The delay in seconds before a new device is
-			scanned for Logical Units (default 5).
+			scanned for Logical Units (default 1).
 
 	usb-storage.quirks=
 			[UMS] A list of quirks entries to supplement or