vrend_debug: Remove hard coded vrend_use_debug_cb
This was hard coded as zero before and can't be changed at runtime. Change to use the "VREND_DEBUG" environment variable to control this behavior.
Signed-off-by: Lepton Wu lepton@chromium.org
This was hard coded as zero before and can't be changed at runtime. Change to use the "VREND_DEBUG" environment variable to control this behavior.
Signed-off-by: Lepton Wu lepton@chromium.org