py3: Check for running python3 process

Centos 8 uses python3 by default so check for running python3
process as well.

Story: 2008454
Task:  42370

Signed-off-by: Charles Short <charles.short@windriver.com>
Change-Id: I970c2600475e32f2c5fb815738a2fe79f99a5b17
(cherry picked from commit 4958c7be50)

fm-rest-api/fm/scripts/fm-api

@@ -42,7 +42,7 @@ status()
     # Status function has a standard set of return codes to indicate daemon status
     # http://refspecs.linuxbase.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
 
-    local my_processes=`pgrep -l -f "^(python|/usr/bin/python|/usr/bin/python2) ${DAEMON}([^\w-]|$)"`
+    local my_processes=`pgrep -l -f "^(python|/usr/bin/python|/usr/bin/python2|/usr/bin/python3) ${DAEMON}([^\w-]|$)"`
 
     if [ -z "${my_processes}" ]; then
         echo "$NAME is not running"
@@ -82,7 +82,7 @@ start ()
 
 confirm_stop()
 {
-    local my_processes=`pgrep -l -f "^(python|/usr/bin/python|/usr/bin/python2) ${DAEMON}([^\w-]|$)"`
+    local my_processes=`pgrep -l -f "^(python|/usr/bin/python|/usr/bin/python2|/usr/bin/python3) ${DAEMON}([^\w-]|$)"`
 
     if [ -n "${my_processes}" ]
     then