Update boardinfo.txt for new radio

Radio change:
radio: update radio image ver.D720SPRKL2 (Sprint)
- change domancy timeout values as per Sprint's request

Change-Id: Ica2b63bfb781a916c9f8c7527106d1138aa2afc0
diff --git a/board-info.txt b/board-info.txt
index c91283e..2c67b66 100644
--- a/board-info.txt
+++ b/board-info.txt
@@ -1,4 +1,4 @@
 require board=herring
 require version-bootloader=D720SPRKC5|D720SPRKE1
-require version-baseband=D720SPRKC9|D720SPRKD8|D720SPRKE5|D720SPRKH1|D720SPRKL1
+require version-baseband=D720SPRKC9|D720SPRKD8|D720SPRKE5|D720SPRKH1|D720SPRKL1|D720SPRKL2