chore: update DuetScreen cmake config options

Author: AndyEveritt

package/duetscreen/duetscreen.mk

@@ -34,11 +34,11 @@ DUETSCREEN_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF
 
 # Additional build options
 ifdef DUETSCREEN_HARDWARE_TEST
-DUETSCREEN_CONF_OPTS += -DHARDWARE_TEST=ON
+DUETSCREEN_CONF_OPTS += -DDUETSCREEN_HARDWARE_TEST=ON
 endif
 
 ifdef DUETSCREEN_BURNIN_TEST
-DUETSCREEN_CONF_OPTS += -DBURNIN_TEST=ON
+DUETSCREEN_CONF_OPTS += -DDUETSCREEN_BURNIN_TEST=ON
 endif
 
 # Don't use hashes during development