Add API:mbtk_get_modem_version from v2.

Change-Id: I5df09ddfaf0b7d55822e1b0b559b014a36bfdc48
diff --git a/mbtk/mbtk_rild_v2/src/ril_dev.c b/mbtk/mbtk_rild_v2/src/ril_dev.c
index f2de0f1..763ed41 100755
--- a/mbtk/mbtk_rild_v2/src/ril_dev.c
+++ b/mbtk/mbtk_rild_v2/src/ril_dev.c
@@ -474,6 +474,58 @@
     return err;
 }
 
+static int req_md_version_get(ATPortType_enum port,void *data, int *cme_err)
+{
+    ATResponse *response = NULL;
+    int err = at_send_command_multiline(port,"AT*CGMR", "", &response);
+
+    if (err < 0 || response->success == 0 || !response->p_intermediates)
+    {
+        *cme_err = at_get_cme_error(response);
+        goto exit;
+    }
+
+    ATLine* lines_ptr = response->p_intermediates;
+    char *line = NULL;
+    while(lines_ptr)
+    {
+        line = lines_ptr->line;
+        char *start = strstr(line, "FALCON_CP_SDK");
+        if(start)
+        {
+            char *end = strstr(start, "_Linux");
+            if(end)
+            {
+                end += strlen("_Linux");
+                int length = end - start;
+                if (length)
+                {
+                    strncpy(data, start, length);
+                    ((char*)data)[length] = '\0';
+                    break;
+                }
+                else
+                {
+                    err = -1;
+                    goto exit;
+
+                }
+            }
+            else
+            {
+                err = -1;
+                goto exit;
+            }
+        }
+        lines_ptr = lines_ptr->p_next;
+    }
+
+    goto exit;
+exit:
+    at_response_free(response);
+    return err;
+}
+
 
 //void net_list_free(void *data);
 // Return MBTK_INFO_ERR_SUCCESS,will call pack_error_send() to send RSP.
@@ -759,6 +811,28 @@
             }
             break;
         }
+        case RIL_MSG_ID_DEV_MD_VERSION_REQ:
+            {
+                if(pack->data_len == 0 || pack->data == NULL)   // Get VERSION
+                {
+                    char version[50] = {0};
+                    if(req_md_version_get(cli_info->port,version, &cme_err) || strlen(version) == 0 || cme_err != MBTK_RIL_ERR_CME_NON)
+                    {
+                        if(cme_err != MBTK_RIL_ERR_CME_NON) {
+                            err = MBTK_RIL_ERR_CME + cme_err;
+                        } else {
+                            err = MBTK_RIL_ERR_UNKNOWN;
+                        }
+                        LOG("Get MD Version fail.");
+                    }
+                    else
+                    {
+                        ril_rsp_pack_send(cli_info->port, cli_info->fd, pack->msg_id, pack->msg_index, version, strlen((char*)version));
+                    }
+                }
+                break;
+
+            }
         default:
         {
             err = MBTK_RIL_ERR_REQ_UNKNOWN;