[yocto] [meta-cgl][PATCH] README: update BBMASK and add send-email example

[Armin Kuster]

From: Armin Kuster <akuster at mvista.com>

libcap-ng is now in meta-oe and removed from meta-security.
mask no longer required.

Signed-off-by: Armin Kuster <akuster at mvista.com>
---
 README | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README b/README
index ba311b7..a488cd7 100644
--- a/README
+++ b/README
@@ -57,6 +57,8 @@ used: enealinux at lists.enea.com
 When sending patches please take a look at the contribution guide available
 here: https://wiki.yoctoproject.org/wiki/Contribution_Guidelines
 
+example:
+git send-email -1 -M --to yocto at yoctoproject.org  --subject-prefix=meta-cgl][PATCH
 
 Table of Contents
 =================
@@ -96,7 +98,7 @@ other layers needed. Adapt the below list to proper format.
     meta-cloud-services/meta-openstack
 
 A BBMASK definition is required because of some recipes duplicate existance:
-    BBMASK = "meta-security/recipes-security/libcap-ng|meta-openembedded/meta-oe/recipes-support/multipath-tools"
+    BBMASK = "meta-openembedded/meta-oe/recipes-support/multipath-tools"
 
 
 II. Misc
-- 
1.9.1