Yocto 2.3

Move OpenBMC to Yocto 2.3(pyro).

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I50744030e771f4850afc2a93a10d3507e76d36bc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Resolves: openbmc/openbmc#2461
diff --git a/import-layers/yocto-poky/meta/files/fs-perms.txt b/import-layers/yocto-poky/meta/files/fs-perms.txt
index 3d00e86..c8c3ac5 100644
--- a/import-layers/yocto-poky/meta/files/fs-perms.txt
+++ b/import-layers/yocto-poky/meta/files/fs-perms.txt
@@ -63,8 +63,5 @@
 # Set 0700
 ${ROOT_HOME}			0700	root	root	false - - -
 
-# Set 755-lsb
-/srv				0755	root	root	false - - -
-
 # Set 2775-lsb
-/var/mail			02775	root	mail	false - - -
+${localstatedir}/mail		02775	root	mail	false - - -