Merge pull request #1180 from ucb-bar/sagark-patch-4

Update README.md

Author: sagark

README.md

@@ -24,8 +24,8 @@ Chipyard is actively developed in the [Berkeley Architecture Research Group][ucb
 
 * Chipyard Stable Documentation: https://chipyard.readthedocs.io/
 * Chipyard (x FireSim) Tutorial: https://fires.im/tutorial
-* Chipyard Basics slides: https://fires.im/micro21-slides-pdf/02_chipyard_basics.pdf
-* Chipyard Tutorial Exercise slides: https://fires.im/micro21-slides-pdf/03_building_custom_socs.pdf
+* Chipyard Basics slides: https://fires.im/isca22-slides-pdf/02_chipyard_basics.pdf
+* Chipyard Tutorial Exercise slides: https://fires.im/isca22-slides-pdf/03_building_custom_socs.pdf
 
 ## Need help?