enb_amarisoft: temporary reduce max UL rate on 2nd CC

this is due to a confirmed bug in Amarisoft eNB. will
be reverted as soon as the fix is released.

Change-Id: I182b46cf9e6c2f428c9535edf3c7df3daa912f18

src/osmo_gsm_tester/obj/enb_amarisoft.py

@@ -281,6 +281,11 @@ class AmarisoftENB(enb.eNodeB):
         # Assume we schedule all carriers
         max_rate *= num_carriers
 
+        # Reduce expected UL rate due to bug in UCI scheduling in Amarisoft eNB
+        if downlink == False and num_carriers == 2:
+            # 2nd carrier @ 25%
+            max_rate = max_rate / 2 + (.25 * max_rate / 2)
+
         return max_rate
 
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