MSR preset for Bulldozer CPUs

Also fixed verbose output for MSR presets with masks.

src/backend/cpu/platform/BasicCpuInfo.cpp

@@ -181,6 +181,9 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
             }
             else {
                 m_assembly = Assembly::BULLDOZER;
+                if (family == 21) {
+                    m_msrMod = MSR_MOD_BULLDOZER;
+                }
             }
         }
         else if (memcmp(vendor, "GenuineIntel", 12) == 0) {