hammerhead: update prebuilt kernel

6b11a15 Revert "arm/dt: hammerhead: Increase command mode clock rate"

Bug: 11285189

Change-Id: If834339159c1f4b856eca23a6f740a460ddd40cf
Signed-off-by: Patrick Tjin <pattjin@google.com>
diff --git a/vmlinux.bz2 b/vmlinux.bz2
index 9d43f1a..a3781dd 100644
--- a/vmlinux.bz2
+++ b/vmlinux.bz2
Binary files differ
diff --git a/zImage-dtb b/zImage-dtb
index 930e602..78a9653 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ