add schedule to event page adgsc22

* main schedule link
* add pretalx widget

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>

content/events/adgsc22.md

@@ -5,7 +5,7 @@ eventdates:
 eventplace: "Dallas, Texas, USA"
 #callforpresentation:
 register: https://registration.openpower.foundation/academic/ADGSC22/
-#schedule:
+schedule: https://cfp.openpower.foundation/sc22openpoweradgworkshop/schedule/
 #recordings:
 #sponsors:
 #  -
@@ -20,3 +20,5 @@ This workshop will foster open collaboration between industry and academia, led
 The OpenPOWER partners, such as IBM and others, will address current challenges and problems in Open Chip Design, AI, HPC and Cloud.
 
 {{< prereg organizer="academic" event="ADGSC22" >}}
+
+{{< pretalx event="sc22openpoweradgworkshop" >}}