cm: add Samsung Galaxy S III (GT-I9300)

Change-Id: Ie6e81f53a7f6225cfcceb009d610984e67745554
https://github.com/teamhacksung/android_device_samsung_i9300
https://github.com/teamhacksung/android_kernel_samsung_smdk4412
diff --git a/CHANGELOG.mkdn b/CHANGELOG.mkdn
index cd30086..26fad89 100644
--- a/CHANGELOG.mkdn
+++ b/CHANGELOG.mkdn
@@ -28,6 +28,7 @@
 * Samsung Galaxy S II AT&T (SGH-I777): atinm, Entropy512
 * Samsung Galaxy S II Skyrocket (SGH-I727): David Ferguson (dferg)
 * Samsung Galaxy S II T-Mobile (SGH-T989): Mike Grissom (mikeyman77)
+* Samsung Galaxy S III (GT-I9300): codeworkx, xplodwild
 * Samsung Galaxy Tab 10.1: cyanogen, pershoot
 * Samsung Galaxy Tab 8.9: kallt_kaffe
 * Samsung Galaxy Tab 7: cdesai, humberos, jt1134