MIPS: BMIPS: Add support for BCM63268

This SoC is very similar to BCM63168 and Broadcom usually refers to them as
BCM63268.
Add BCM63268 and missing BCM63168 to device tree documentation.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13042/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Documentation/devicetree/bindings/mips/brcm/soc.txt

@@ -5,6 +5,7 @@ Required properties:
 - compatible: "brcm,bcm3384", "brcm,bcm33843"
               "brcm,bcm3384-viper", "brcm,bcm33843-viper"
               "brcm,bcm6328", "brcm,bcm6358", "brcm,bcm6368",
+              "brcm,bcm63168", "brcm,bcm63268",
               "brcm,bcm7125", "brcm,bcm7346", "brcm,bcm7358", "brcm,bcm7360",
               "brcm,bcm7362", "brcm,bcm7420", "brcm,bcm7425"
 

arch/mips/bmips/setup.c

@@ -116,6 +116,7 @@ static const struct bmips_quirk bmips_quirk_list[] = {
 	{ "brcm,bcm6358",		&bcm6358_quirks			},
 	{ "brcm,bcm6368",		&bcm6368_quirks			},
 	{ "brcm,bcm63168",		&bcm6368_quirks			},
+	{ "brcm,bcm63268",		&bcm6368_quirks			},
 	{ },
 };