ARM: dts: brcmstb: add IRQ0 controller
ARM: dts: brcmstb: add IRQ0 controller

This L2 controller handles multiplexing a few different interrupts. We
also need it for configuring the interrupt forwarding masks for the
UART.

With this, we can *now* boot BCM7445 to a prompt using the upstream
kernel + DTB.

Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>
Signed-off-by: Florian Fainelli <59190c1867e3222b932a0de3c668eb2d980d69a2@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs