edge: Support EGPRS multislot class handling in tbf_alloc

Add an egprs_ms_class argument to the allocation functions and
set/pass it where necessary.

Sponsored-by: On-Waves ehf
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index 2869ffd..77366b9 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -17,7 +17,7 @@
 The MS object cannot fully confirm an unexpected TLLI: 0x00002342, partly confirmed
 Modifying MS object, TLLI = 0x00002342, TA 0 -> 4
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=0
+Allocating UL TBF: MS_CLASS=0/0
 Slot Allocation (Algorithm A) for class 0
 - Skipping TS 0, because not enabled
 - Skipping TS 1, because not enabled
@@ -1371,7 +1371,7 @@
  Found TFI=0.
 MS requests UL TBF on RACH, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=0
+Allocating UL TBF: MS_CLASS=0/0
 Creating MS object, TLLI = 0x00000000
 Slot Allocation (Algorithm A) for class 0
 - Skipping TS 0, because not enabled
@@ -1449,7 +1449,7 @@
 ------------------------- RX : Uplink Control Block -------------------------
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Creating MS object, TLLI = 0x00000000
 Modifying MS object, TLLI = 0x00000000, MS class 0 -> 1
 Slot Allocation (Algorithm A) for class 1
@@ -1526,7 +1526,7 @@
 ------------------------- RX : Uplink Control Block -------------------------
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Creating MS object, TLLI = 0x00000000
 Modifying MS object, TLLI = 0x00000000, MS class 0 -> 1
 Slot Allocation (Algorithm A) for class 1
@@ -1647,7 +1647,7 @@
 ------------------------- RX : Uplink Control Block -------------------------
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Creating MS object, TLLI = 0x00000000
 Modifying MS object, TLLI = 0x00000000, MS class 0 -> 1
 Slot Allocation (Algorithm A) for class 1
@@ -1711,7 +1711,7 @@
 ------------------------- RX : Uplink Control Block -------------------------
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Creating MS object, TLLI = 0x00000000
 Modifying MS object, TLLI = 0x00000000, MS class 0 -> 1
 Slot Allocation (Algorithm A) for class 1
@@ -1799,7 +1799,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=WAIT RELEASE) restarting timer 3193 while old timer 0 pending 
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Slot Allocation (Algorithm A) for class 1
 - Skipping TS 0, because not enabled
 - Skipping TS 1, because not enabled
@@ -1868,7 +1868,7 @@
 ------------------------- RX : Uplink Control Block -------------------------
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Creating MS object, TLLI = 0x00000000
 Modifying MS object, TLLI = 0x00000000, MS class 0 -> 1
 Slot Allocation (Algorithm A) for class 1
@@ -1945,7 +1945,7 @@
  Found TFI=0.
 MS requests UL TBF on RACH, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=0
+Allocating UL TBF: MS_CLASS=0/0
 Creating MS object, TLLI = 0x00000000
 Slot Allocation (Algorithm A) for class 0
 - Skipping TS 0, because not enabled
@@ -2005,7 +2005,7 @@
 ------------------------- RX : Uplink Control Block -------------------------
 MS requests UL TBF in packet resource request of single block, so we provide one:
 ********** TBF starts here **********
-Allocating UL TBF: MS_CLASS=1
+Allocating UL TBF: MS_CLASS=1/0
 Creating MS object, TLLI = 0x00000000
 Modifying MS object, TLLI = 0x00000000, MS class 0 -> 1
 Slot Allocation (Algorithm A) for class 1