Create a new device tree file for the Broadcom Northstar Plus HR SVK.
This SVK is a smaller form factor, and thus only has 2 PCI slots and 1
UART.  Also, it has the ability to reboot via GPIO (instead of the
processor reset).
Signed-off-by: NJon Mason <jonmason@broadcom.com>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>