Add dev_info v2(Default is v1)

Change-Id: I49693856ab5c97a5df3c199ed75091c4eee1800b
diff --git a/mbtk/mbtk_rild_v2/src/ril_net.c b/mbtk/mbtk_rild_v2/src/ril_net.c
index fc381f4..502d49e 100755
--- a/mbtk/mbtk_rild_v2/src/ril_net.c
+++ b/mbtk/mbtk_rild_v2/src/ril_net.c
@@ -252,7 +252,7 @@
 OK
 
 */
-static int req_band_set(ATPortType_enum port, mbtk_band_info_t* band, int *cme_err)
+int req_band_set(ATPortType_enum port, mbtk_band_info_t* band, int *cme_err)
 {
     ATResponse *response = NULL;
     char cmd[100] = {0};