shamu: update prebuilt kernel

7805b54 net: wireless: bcmdhd: suppress debugging log in FW
cf92e10 net: wireless: bcmdhd: Remove random mac code from PNO module
b5eb940 net: wireless: bcmdhd: Use correct counts for max APs supported for batch gscan
3443770 uid_cputime: Avoids double accounting of process stime, utime and cpu_power in task exit.

Bug: 21668251
Bug: 22064385

Change-Id: I5e86f1a31117574f448aa69a069e8f4861b3fa94
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/zImage-dtb b/zImage-dtb
index 80801a5..adf0f1c 100644
--- a/zImage-dtb
+++ b/zImage-dtb
Binary files differ