mako: update prebuilt kernel

2b97ada fix false disconnect due to a signal sent to the reading process

Bug: 12765000
Change-Id: Iff544344b536d72d59efde2a0c859770d2cbe59d
diff --git a/kernel b/kernel
index 5f34eb9..e6cf4b8 100644
--- a/kernel
+++ b/kernel
Binary files differ