SWDEV-481974 - Clear dependent signal bit for barrier value

Change-Id: I3ffda051fa8538970fbb1964beb1f538fce0782c

rocclr/device/rocm/rocvirtual.cpp

@@ -1180,6 +1180,8 @@ void VirtualGPU::dispatchBarrierValuePacket(uint16_t packetHeader, bool resolveD
           barrier_value_packet_.cond == 0 ? "EQ" : barrier_value_packet_.cond == 1 ?
                                         "NE" : barrier_value_packet_.cond == 2 ? "LT" : "GTE",
           barrier_value_packet_.completion_signal);
+  // Clear dependent signals for the next packet
+  barrier_value_packet_.signal = hsa_signal_t{};
 }
 
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