Update sonic-linux-kernel submodule (#609)

wadelnn · lguohan · commit 31fbee21d0a1 · 2017-05-24T14:56:39.000-07:00
Signed-off-by: Wade He chihen.he@gmail.com
diff --git a/src/sonic-linux-kernel b/src/sonic-linux-kernel
@@ -1 +1 @@
-Subproject commit 73e99e9126c2233a36609275a9e9bd0bb0f3d0f5
+Subproject commit 0d56999ccfccdc054178388f65c9442aa350caec
