Externalresources.md: add ELCE and LSS EU presentations

Add two presentations for ELCE and LSS EU 2020:
 - Introducing TPM NV Storage with E/A Policies and TSS-FAPI
 - Using the TPM - It's Not Rocket Science (Anymore)

Signed-off-by: Johannes Holland <joh.ho@gmx.de>

Author: joholl

externalresources.md

@@ -12,6 +12,8 @@ permalink: /external/
 <script src="https://sidecar.gitter.im/dist/sidecar.v1.js" async defer></script>
 
 # Presentations at developer conferences
+- [Introducing TPM NV Storage with E/A Policies and TSS-FAPI - Andreas Fuchs, Fraunhofer SIT](https://youtu.be/JckONn4h6pQ) Presentation at Linux Security Summit Europe 2020, virtual [Slides](https://static.sched.com/hosted_files/osseu2020/26/Oct_29_Introducing%20TPM%20NV%20Storage%20with%20EA%20Policies%20and%20TSS-FAPI_Andreas%20Fuchs.pdf)
+- [Using the TPM - It's Not Rocket Science (Anymore) - Johannes Holland & Peter Huewe, Infineon](https://youtu.be/XwaSyHJIos8) Presentation at Embedded Linux Conference Europe 2020, virtual [Slides](https://static.sched.com/hosted_files/osseu2020/05/using-the-tpm-its-not-rocket-science-anymore_slides_ELCE2020.pdf)
 - [Lecture: Hacking (with) a TPM](https://fahrplan.events.ccc.de/congress/2019/Fahrplan/events/10564.html) at 36c3, Leipzig, Germany [Slides](https://fahrplan.events.ccc.de/congress/2019/Fahrplan/system/event_attachments/attachments/000/004/103/original/36c3-hacking-tpm.pdf) [Video](https://youtu.be/NFQ22SBlejk)
 - [tpm2-software.github.io - Enabling the TPM2.0 Ecosystem in Linux - Andreas Fuchs, Fraunhofer SIT (for Peter Huewe, Infineon)](https://osseu19.sched.com/event/TLKX/tpm2-softwaregithubio-enabling-the-tpm20-ecosystem-in-linux-andreas-fuchs-fraunhofer-sit) Presentation at Open Source Summit + Embedded Linux Conference Europe 2019, Lyon, France [Slides](https://static.sched.com/hosted_files/osseu19/35/OSSEU2019.pdf)
 - [Enabling TPM based system security features - Andreas Fuchs, Fraunhofer SIT](https://www.linuxplumbersconf.org/event/4/contributions/302/) Presentation at LPC 2019, Lisbon, Portugal [Slides](https://www.linuxplumbersconf.org/event/4/contributions/302/attachments/343/572/LPC2019.pdf) [Video](https://youtu.be/XUFUw_UR1qc)