automated: linux: torizon: integration: fix case statement

Wrong variable name led to incorrect lava job execution

Signed-off-by: Pawel Szymaszek <[email protected]>

Author: tynorantoni

automated/linux/torizon/integration-tests.sh

@@ -33,7 +33,7 @@ case "${abi}" in
     SPIRE_ARCH="linux_amd64"
     ;;
   arm64|aarch64)
-    GECKODRIVER="linux-aarch64"
+    GECKODRIVER_ARCH="linux-aarch64"
     SPIRE_ARCH="linux_arm64"
     ;;
   *)