alloc: Add counters for successful algo A/B allocations

This adds counters for algorithm A and B with count successful
allocation combined for UL and DL.

Ticket: #1934
Sponsored-by: On-Waves ehf
diff --git a/src/bts.cpp b/src/bts.cpp
index 412e0c0..cb1c585 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -54,6 +54,8 @@
 	{ "tbf.ul.alloc",		"TBF UL Allocated     "},
 	{ "tbf.ul.freed",		"TBF UL Freed         "},
 	{ "tbf.reused",			"TBF Reused           "},
+	{ "tbf.alloc.algo-a",		"TBF Alloc Algo A     "},
+	{ "tbf.alloc.algo-b",		"TBF Alloc Algo B     "},
 	{ "rlc.sent",			"RLC Sent             "},
 	{ "rlc.resent",			"RLC Resent           "},
 	{ "rlc.restarted",		"RLC Restarted        "},