[source] lantiq: use external pci clock on ARV7506PW11

[LEDE Commits]

mkresin pushed a commit to source.git, branch master:
https://git.lede-project.org/3db1a5c8fa33be53c0b4dae9c522df310ae91f0f

commit 3db1a5c8fa33be53c0b4dae9c522df310ae91f0f
Author: Mathias Kresin <dev at kresin.me>
AuthorDate: Wed Nov 2 18:14:11 2016 +0100

    lantiq: use external pci clock on ARV7506PW11
    
    Fixes a ralink wireless driver related kernel crash as soon as a lot of
    data is tranfered via wireless.
    
    Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 target/linux/lantiq/dts/ARV7506PW11.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/lantiq/dts/ARV7506PW11.dts b/target/linux/lantiq/dts/ARV7506PW11.dts
index 352972b..676c0b8 100644
--- a/target/linux/lantiq/dts/ARV7506PW11.dts
+++ b/target/linux/lantiq/dts/ARV7506PW11.dts
@@ -83,6 +83,7 @@
 
 		pci at E105400 {
 			status = "okay";
+			lantiq,external-clock;
 			gpio-reset = <&gpio 21 GPIO_ACTIVE_HIGH>;
 		};
 	};