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/meta/recipes-core/expat/expat/libtool-tag.patch b/import-layers/yocto-poky/meta/recipes-core/expat/expat/libtool-tag.patch
new file mode 100644
index 0000000..3ef4197
--- /dev/null
+++ b/import-layers/yocto-poky/meta/recipes-core/expat/expat/libtool-tag.patch
@@ -0,0 +1,18 @@
+Add CC tag to build
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Index: expat-2.2.2/Makefile.in
+===================================================================
+--- expat-2.2.2.orig/Makefile.in
++++ expat-2.2.2/Makefile.in
+@@ -109,7 +109,7 @@ mkdir-init:
+ 
+ CC = @CC@
+ CXX = @CXX@
+-LIBTOOL = @LIBTOOL@
++LIBTOOL = @LIBTOOL@ --tag CC
+ 
+ INCLUDES = -I$(srcdir)/lib -I.
+ LDFLAGS = @LDFLAGS@