Sumo refresh

Update external subtrees to latest Yocto sumo.

Change-Id: I8364f32bef079841c6e57f1c587f4b1bedf62fef
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bb b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bb
index 21fcfef..b3f3248 100644
--- a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bb
+++ b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bb
@@ -2,7 +2,7 @@
 
 LINUX_VERSION ?= "4.9.80"
 
-SRCREV = "ffd7bf4085b09447e5db96edd74e524f118ca3fe"
+SRCREV = "7f9c648dad6473469b4133898fa6bb8d818ecff9"
 SRC_URI = " \
     git://github.com/raspberrypi/linux.git;branch=rpi-4.9.y \
     file://0001-menuconfig-check-lxdiaglog.sh-Allow-specification-of.patch \