stingray: update prebuilt kernel

0f13019 ARM: tuna_defconfig: enable CONFIG_SCHED_TRACER

Change-Id: I42da7977e5fcf195c188fcff19a2fe8dcdead8bf
diff --git a/kernel b/kernel
index 6502994..c2bffb6 100644
--- a/kernel
+++ b/kernel
Binary files differ