contributors: add sony Z2

Change-Id: Ia5e9822ebe103e21e497c25f85cc3add03274fec
diff --git a/CONTRIBUTORS.mkdn b/CONTRIBUTORS.mkdn
index ab970fe..465f5b1 100644
--- a/CONTRIBUTORS.mkdn
+++ b/CONTRIBUTORS.mkdn
@@ -106,9 +106,12 @@
 * __Sony Xperia ZR (dogo):__ jerpelea, Kali- (FreeXperia team), championswimmer
 * __Sony Xperia Tablet Z LTE (pollux):__ jerpelea, Kali- (FreeXperia team), codeworkx
 * __Sony Xperia Tablet Z Wifi (pollux_windy):__ jerpelea, Kali- (FreeXperia team), Bumble-Bee
+* __Sony Xperia Tablet Z2 LTE (castor):__ Kali-, jerpelea, Binary (FreeXperia team)
+* __Sony Xperia Tablet Z2 Wifi (castor_windy):__ Kali-, jerpelea, Binary (FreeXperia team)
 * __Sony Xperia Z Ultra (togari):__ jerpelea, Kali- (FreeXperia team)
 * __Sony Xperia Z1 (honami):__ jerpelea, Kali- (FreeXperia team), cdesai
 * __Sony Xperia Z1 compact (amami):__ jerpelea, Kali- (FreeXperia team), intervigil, championswimmer, Bumble-Bee
+* __Sony Xperia Z2 (sirius):__ Kali-, jerpelea (FreeXperia team), Bumble-Bee
 * __Sony Z Ultra GPE (togari_gpe):__ jerpelea, Kali- (FreeXperia team), cdesai