gnssd: add 8122 agps func

Change-Id: Ie87dcafc1da9cf5cffd9f5397f1640f19aa36aab
diff --git a/mbtk/mbtk_gnssd/gnss_hd8122.h b/mbtk/mbtk_gnssd/gnss_hd8122.h
index 4cd4f46..7df7e7a 100755
--- a/mbtk/mbtk_gnssd/gnss_hd8122.h
+++ b/mbtk/mbtk_gnssd/gnss_hd8122.h
@@ -118,6 +118,9 @@
 
 int gnss_8122_fw_dl(int fd, const char *fw_name, const char *dev);
 
+gnss_err_enum gnss_8122_agnss_get_eph(const char *param);
+
+gnss_err_enum gnss_8122_agnss_inject(int fd);
 //void gnss_8122_dl_read_cb(const void *data, int data_len);
 
 gnss_err_enum gnss_8122_set(int fd, const char *cmd, void *cmd_rsp, int cmd_rsp_len);