Move ast2400 platforms to the dev-4.6 kernel tree

The defconfig is regnerated with the newer kernel base. A large number
of unused options are disabled to reduce the kernel binary size.

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/common/recipes-kernel/linux/linux-obmc_4.4.bb b/common/recipes-kernel/linux/linux-obmc_4.4.bb
deleted file mode 100644
index ef854a5..0000000
--- a/common/recipes-kernel/linux/linux-obmc_4.4.bb
+++ /dev/null
@@ -1,5 +0,0 @@
-KBRANCH ?= "dev-4.4"
-LINUX_VERSION ?= "4.4"
-SRCREV="openbmc-20160606-1"
-
-require linux-obmc.inc
diff --git a/common/recipes-kernel/linux/linux-obmc_4.6.bb b/common/recipes-kernel/linux/linux-obmc_4.6.bb
index 78bf3b2..3604087 100644
--- a/common/recipes-kernel/linux/linux-obmc_4.6.bb
+++ b/common/recipes-kernel/linux/linux-obmc_4.6.bb
@@ -1,5 +1,5 @@
 KBRANCH ?= "dev-4.6"
 LINUX_VERSION ?= "4.6"
-SRCREV="6bf0b62ef667270f8a8cce46abc6c1f9b68785a5"
+SRCREV="openbmc-20160713-1"
 
 require linux-obmc.inc