Add mbtk_source git commit info

Change-Id: I9867613657db269bba81d28c4b3712062ae41bdd
diff --git a/mbtk/libmbtk_gnss/mbtk_gnss.c b/mbtk/libmbtk_gnss/mbtk_gnss.c
index 3e22cf7..18e8bbf 100755
--- a/mbtk/libmbtk_gnss/mbtk_gnss.c
+++ b/mbtk/libmbtk_gnss/mbtk_gnss.c
@@ -244,7 +244,7 @@
         return -1;
     }
 
-    while (p <= q) 
+    while (p <= q)
     {
         tmp = memchr(p, ',', q-p);
         if (tmp == NULL)
@@ -262,7 +262,7 @@
                 count += 1;
             }
         }
-        
+
         if (tmp <= q)
         {
             tmp += 1;
@@ -313,9 +313,9 @@
     memcpy(tmp_char, time.head + 4, 2);
     tmp_time.tm_sec = atoi(tmp_char);
     tmp_time.tm_isdst = -1;
-    
+
 #if MBTK_GNSS_LOG_ENABLED
-    LOGD("data:%d-%d-%d %d:%d:%d", tmp_time.tm_year + 1900, 
+    LOGD("data:%d-%d-%d %d:%d:%d", tmp_time.tm_year + 1900,
                                     tmp_time.tm_mon,
                                     tmp_time.tm_mday,
                                     tmp_time.tm_hour,
@@ -377,7 +377,7 @@
     locl_info->latitude = str2float(tok.head, tok.end);
 
     tok = longitude;
-    if (tok.head + 6 > tok.end) 
+    if (tok.head + 6 > tok.end)
     {
         LOGD("longitude get fail");
         return -1;
@@ -475,7 +475,7 @@
                 return -1;
             }
             locl_info->flags |= GNSS_LOCATION_HAS_LAT_LONG;
-            
+
             ret = nmea_update_altitude(locl_info, tok_altitude);
             if(ret < 0)
             {
@@ -920,3 +920,8 @@
     }
 }
 
+void mbtk_gnss_lib_info_print()
+{
+    MBTK_SOURCE_INFO_PRINT("mbtk_gnss_lib");
+}
+