fix authors for one paper, add another paper (#8047)

doc/bibliography/openmodelica.bib

@@ -1586,8 +1586,8 @@ @InProceedings{openmodelica.org:tamas:modelicaUS:2018
 }
 
 @InProceedings{openmodelica.org:berger:eoolt:2017,
-  author    = {Peter Fritzson and Adrian Pop and Martin Sjölund and Adeel Asghar},
-  title     = {{Code Generation for STM32F4 Boards with Modelica Device Drivers: [Work in Progress]}},
+  author    = {Lutz Berger and Martin Sjölund and Bernhard Thiele},
+  title     = {{Code Generation for STM32F4 Boards with Modelica Device Drivers}},
   crossref  = {eoolt2017},
   doi       = {10.1145/3158191.3158204}
 }
@@ -1627,6 +1627,13 @@ @InProceedings{openmodelica.org:kannan:modelica:2017
   doi       = {10.3384/ecp17132275}
 }
 
+@InProceedings{openmodelica.org:thiele:modelica:2017,
+  author    = {Bernhard Thiele and Thomas Beutlich and Volker Waurich and Martin Sjölund and Tobias Bellmann},
+  title     = {Towards a Standard-Conform, Platform-Generic and Feature-Rich Modelica Device Drivers Library},
+  crossref  = {modelica2017},
+  doi       = {10.3384/ecp17132713}
+}
+
 @InProceedings{openmodelica.org:garro:isse:2016,
   author={Alfredo Garro and Andrea Tundis and Daniel Bouskela and Audrey Jardin and Nguyen Thuy and Martin Otter and Lena Buffoni and Peter Fritzson and Martin Sjölund and Wladimir Schamai and Hans Olsson},
   booktitle={2016 IEEE International Symposium on Systems Engineering (ISSE)},

doc/bibliography/papers.cite

@@ -19,6 +19,7 @@ openmodelica.org:tamas:modelicaUS:2018
 openmodelica.org:alachew:modelica:2017
 openmodelica.org:rahul:modelica:2017
 openmodelica.org:kannan:modelica:2017
+openmodelica.org:thiele:modelica:2017
 openmodelica.org:garro:isse:2016
 openmodelica.org:kinnander:eurosim:2016
 openmodelica.org:lie:eurosim:2016