increase time between modem polls to 750us;

src/common/lookups/TalkgroupRulesLookup.cpp

@@ -90,6 +90,7 @@ bool TalkgroupRulesLookup::read()
 
     if (m_reloadTime > 0U)
         run();
+    setName("host:tg-lookup-tbl");
 
     return ret;
 }

src/host/Host.cpp

@@ -1607,7 +1607,7 @@ void* Host::threadModem(void* arg)
                 host->m_modem->clock(ms);
             }
 
-            Thread::sleep(0U, 50U);
+            Thread::sleep(0U, 750U);
         }
 
         LogDebug(LOG_HOST, "[STOP] %s", threadName.c_str());