Merge pull request #11952 from pferland-multitech/master

Fix for Dragonfly nano and registration for LTE-M plans

Author: 0xc0170

features/cellular/framework/targets/MultiTech/DragonflyNano/PPP/SARA4_PPP.cpp

@@ -22,9 +22,9 @@ using namespace mbed;
 using namespace events;
 
 static const intptr_t cellular_properties[AT_CellularBase::PROPERTY_MAX] = {
-    AT_CellularNetwork::RegistrationModeDisable,// C_EREG
-    AT_CellularNetwork::RegistrationModeLAC,    // C_GREG
-    AT_CellularNetwork::RegistrationModeLAC,    // C_REG
+    AT_CellularNetwork::RegistrationModeLAC, // C_EREG
+    AT_CellularNetwork::RegistrationModeLAC, // C_GREG
+    AT_CellularNetwork::RegistrationModeDisable, // C_REG
     0,  // AT_CGSN_WITH_TYPE
     0,  // AT_CGDATA
     1,  // AT_CGAUTH