utilities: Add new words to checkpatch_dict.txt.

Add recently introduced OVS terms to checkpatch_dict.txt to
prevent false positives during patch validation.

Acked-by: Mike Pattrick <mkp@redhat.com>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>

Author: chaudron

utilities/checkpatch_dict.txt

@@ -11,6 +11,7 @@ appveyor
 arg
 arp
 asan
+atexit
 attr
 backport
 backtrace
@@ -153,6 +154,7 @@ megabytes
 megaflow
 megaflows
 memcmp
+memcpy
 mempool
 mempools
 memset
@@ -186,15 +188,18 @@ nsec
 num
 numa
 odp
+odputil
 ofctl
 ofpbuf
 ofpbufs
 ofport
 ofproto
+onwards
 openflow
 openssl
 openvswitch
 opts
+oversized
 ovs
 ovs-ctl
 ovsdb
@@ -210,6 +215,7 @@ pkts
 pmd
 pmds
 policer
+pos
 ppid
 pps
 pre
@@ -218,6 +224,7 @@ promisc
 qdisc
 qos
 qsort
+rconn
 rculist
 rebalance
 rebased
@@ -290,6 +297,7 @@ unassociated
 unclosed
 unicast
 unixctl
+untrusted
 upcall
 upcalls
 us