ibm: prepare for yocto 2.6

Set compatibility to thud for:
  meta-ibm
  meta-witherspoon
  meta-romulus
  meta-palmetto

React to 2.6 openssl packaging changes:
  s/openssl/openssl-bin

Change-Id: I1bf9bd9eeb112389759b7d0487f5c1d2cbd4c2a0
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-httpd/nginx/nginx_%.bbappend b/recipes-httpd/nginx/nginx_%.bbappend
index 7acc986..ee5ffd5 100644
--- a/recipes-httpd/nginx/nginx_%.bbappend
+++ b/recipes-httpd/nginx/nginx_%.bbappend
@@ -10,7 +10,7 @@
     "
 
 RDEPENDS_${PN} += " \
-        openssl \
+        openssl-bin \
         ${VIRTUAL-RUNTIME_base-utils} \
         "