MIPS: BCM63XX: Add external irq support for non 6348 CPUs.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2899/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
3 files changed