[no-relnote] update Holodeck env file

Signed-off-by: Carlos Eduardo Arango Gutierrez <eduardoa@nvidia.com>

Author: ArangoGutierrez

tests/e2e/Makefile

@@ -21,7 +21,7 @@ GO_TEST_TIMEOUT ?= 30m
 
 include $(CURDIR)/versions.mk
 
-DRIVER_ENABLED ?= true
+NVIDIA_DRIVER_ENABLED ?= true
 
 E2E_IMAGE_REPO ?= $(REGISTRY)/$(DRIVER_NAME)
 E2E_IMAGE_TAG ?= $(VERSION)