ci: Update phiwag/edatools gpg key (openhwgroup#2515)

Signed-off-by: Nils Wistoff <[email protected]>

ci/setup.sh

@@ -11,7 +11,7 @@ export C_INCLUDE_PATH=$RISCV/include
 export CPLUS_INCLUDE_PATH=$RISCV/include
 
 echo 'deb http://download.opensuse.org/repositories/home:/phiwag:/edatools/xUbuntu_20.04/ /' | sudo tee /etc/apt/sources.list.d/home:phiwag:edatools.list
-curl -fsSL https://download.opensuse.org/repositories/home:phiwag:edatools/xUbuntu_20.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_phiwag_edatools.gpg > /dev/null
+curl -fsSL https://download.opensuse.org/repositories/home:phiwag:edatools/Debian_Unstable/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_phiwag_edatools.gpg > /dev/null
 sudo apt update
 sudo apt install device-tree-compiler