vty: Add configuration for Gb DSCP and socket priority

While libosmogb / ns2 supports that natively in the VTY, the PCU
doesn't want to use the complexities of the full NS2 vty.

Change-Id: I7bfbad46582e65e5ad2ac0cc66545538bc632df8
Related: SYS#5427
diff --git a/src/gprs_pcu.h b/src/gprs_pcu.h
index a17144c..86fe8eb 100644
--- a/src/gprs_pcu.h
+++ b/src/gprs_pcu.h
@@ -102,6 +102,8 @@
 		struct {int16_t low; int16_t high; } cs_lqual_ranges[MAX_GPRS_CS];
 		struct {int16_t low; int16_t high; } mcs_lqual_ranges[MAX_EDGE_MCS];
 		enum gprs_ns2_dialect ns_dialect; /* Are we talking Gb with IP-SNS (true) or classic Gb? */
+		int ns_ip_dscp;
+		int ns_priority;
 		uint16_t ws_base;
 		uint16_t ws_pdch; /* increase WS by this value per PDCH */
 		uint16_t force_llc_lifetime; /* overrides lifetime from SGSN */