rename 2.6 high-speed usb serial fix to match 2.4 one

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8574 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/patches-2.6.22/601-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.22/801-usb_serial_endpoint_size.patch
similarity index 100%
rename from target/linux/generic-2.6/patches-2.6.22/601-usb_serial_endpoint_size.patch
rename to target/linux/generic-2.6/patches-2.6.22/801-usb_serial_endpoint_size.patch