[PATCH v3 1/2] doc: add guidelines for coverity tags

[Marko Kovacevic <marko.kovacevic@intel.com>]

     Added contribution guideline for adding tags
     when sending patches that have been raised by
     coverity

Signed-off-by: Marko Kovacevic <marko.kovacevic@intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 doc/guides/contributing/patches.rst | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/doc/guides/contributing/patches.rst b/doc/guides/contributing/patches.rst
index 64408e7..59d2aaf 100644
--- a/doc/guides/contributing/patches.rst
+++ b/doc/guides/contributing/patches.rst
@@ -257,6 +257,27 @@ tags for who reported, suggested, tested and reviewed the patch being
 posted. Please refer to the `Tested, Acked and Reviewed by`_ section.
 
 
+Coverity Related Patch Fixes:
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+`Coverity <https://scan.coverity.com/projects/dpdk-data-plane-development-kit>`_ is a tool for
+static code analysis. It is used as a cloud-based service used to scan the
+DPDK source code, and alert developers of any potential defects in the source code.
+When fixing an issue found by Coverity, the patch must contain a Coverity issue ID in the
+body of the commit message. For example::
+
+
+     doc: fix some parameter description
+
+     Update the docs, fixing description of some parameter.
+
+     Coverity issue: 12345
+     Fixes: abcdefgh1234 ("doc: add some parameter")
+     Cc: author@example.com
+
+     Signed-off-by: Alex Smith <alex.smith@example.com>
+
+
 Creating Patches
 ----------------
 
-- 
2.9.5