website: Added video link for "Towards full-sy..."

The old link for "Towards full-system discrete GPU simulation" was
wrong and pointed towards the talk for "The AMD gem5 GPU Simulator".
This has been fixed. There are now two videos, one for each
presentation. They will share the same timeslot.

Change-Id: I4a233388a124d5a7a104f1982980b88e86ad2559
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/29813
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
diff --git a/_pages/events/isca-2020.md b/_pages/events/isca-2020.md
index 7a96b3b..59c2cac 100644
--- a/_pages/events/isca-2020.md
+++ b/_pages/events/isca-2020.md
@@ -78,7 +78,7 @@
 |1640 -- 1650 | Heterogeneous systems modeling with Adaptive Traffic Profiles | Matteo Andreozzi, **Frances Conboy**, Giovanni Stea, Raffaele Zippo|[Link](https://youtu.be/UhWAozvZ9mU)|-|
 |1650 -- 1700 | Enabling Multi-GPU Support in gem5 | **Bobbi Winema Yogatama**, Matthew Sinclair, Michael Swift|[Link](https://youtu.be/TSULdaGw0V8)|-|
 |1700 -- 1710 | gem5 GUI | **Shivam Desai**, Rohit Dhamankar, Ravishdeep Singh, Ahmed Farooqui, Jason Lowe-Power, Bobby R. Bruce|[Link](https://youtu.be/ab0ZUSTkYEk)|[Link](/2020/05/29/gem5-gui.html)|
-|1710 -- 1720 | Towards full-system discrete GPU simulation | **Mattew Poremba**, Alexandru Dutu, Gaurav Jain, Pouya Fotouhi, Michael Boyer, Bradford M. Beckmann|[Link](https://youtu.be/o1gF2LXNQFQ)|-|
+|1710 -- 1720 | Towards full-system discrete GPU simulation \| The AMD gem5 GPU Simulator | **Mattew Poremba**, Alexandru Dutu, Gaurav Jain, Pouya Fotouhi, Michael Boyer, Bradford M. Beckmann \| **Tony Gutierrez**|[Link](https://youtu.be/cpnoUgcGjuI)\|[Link](https://youtu.be/o1gF2LXNQFQ)|-|
 |1720 -- 1730 | gem5art: Zen and the Art of gem5 Experiments | **Ayaz Akram**, Mahyar Samani, Hoa Nguyen, Krithiga Murugavel, Trivikram Reddy, Marjan Fariborz, Pouya Fotouhi, Jason Lowe-Power|[Link](https://youtu.be/x2GQa26xwzs)|-|
 |1730 -- 1740 | Modeling Modern GPU Applications in gem5 | Kyle Roarty, **Matthew Sinclair** |[Link](https://youtu.be/HhLiMrjqCvA)|[Link](/2020/05/27/modern-gpu-applications.html)|
 |1740 -- 1750 | Implementation of a flexible cache coherency protocol for the Ruby memory system | **Tiago Muck**, Pedro Benedicte|[Link](https://youtu.be/OOEqCZekJbA)|[Link](/2020/05/29/flexible-cache.html)|