Yocto 2.4

Move OpenBMC to Yocto 2.4(rocko)

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/yocto-poky/documentation/kernel-dev/kernel-dev-style.css b/import-layers/yocto-poky/documentation/kernel-dev/kernel-dev-style.css
index 6e0c1c7..9c01aa7 100644
--- a/import-layers/yocto-poky/documentation/kernel-dev/kernel-dev-style.css
+++ b/import-layers/yocto-poky/documentation/kernel-dev/kernel-dev-style.css
@@ -730,6 +730,10 @@
   border-color: black;
 }
 
+.writernotes {
+  color: red;
+}
+
 
   /*********** /
  /  graphics  /