kernel: Witherspoon dts updates

  arm: dts: aspeed: witherspoon: Fix compatible property
  arm: dts: aspeed: witherspoon: Add i2c and led devices

Change-Id: I7586275358cf5c8bbfe1bc1e72bf8e2c2b263e20
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/common/recipes-kernel/linux/linux-obmc_4.7.bb b/common/recipes-kernel/linux/linux-obmc_4.7.bb
index f862ee8..6ba0dac 100644
--- a/common/recipes-kernel/linux/linux-obmc_4.7.bb
+++ b/common/recipes-kernel/linux/linux-obmc_4.7.bb
@@ -1,6 +1,6 @@
 KBRANCH ?= "dev-4.7"
 LINUX_VERSION ?= "4.7"
 
-SRCREV="26d51e63ed7433662b0137dff63b42d6969417d5"
+SRCREV="f26558191540830589fe03932d05577957670b8d"
 
 require linux-obmc.inc