ARM: dts: NSP: Rearrage USB entries

The rest of the DTSI file is in incrementing addresses, but the USB
OHCI/ECHI entries are out of sequence.  Move them to put them in the
proper place.

Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>