fmbttizen: fix setDisplayBacklightTime return value
fmbttizen: fix setDisplayBacklightTime return value

pablovirolainen/fMBT,acozzette/fMBT,rseymour/fMBT,yoonkiss/fMBT,pablovirolainen/fMBT,rseymour/fMBT,01org/fMBT,yoonkiss/fMBT,mlq/fMBT,rseymour/fMBT,mlq/fMBT,yoonkiss/fMBT,OMKR/fMBT,OMKR/fMBT,OMKR/fMBT,rseymour/fMBT,pombreda/fMBT,mlq/fMBT,giantpinkwalrus/fMBT,acozzette/fMBT,violep01/fMBT,heivi/fMBT,pombreda/fMBT,violep01/fMBT,violep01/fMBT,01org/fMBT,01org/fMBT,pyykkis/fMBT,mixu-/fMBT,mixu-/fMBT,heivi/fMBT,rseymour/fMBT,mixu-/fMBT,mlq/fMBT,pyykkis/fMBT,mlq/fMBT,mlq/fMBT,mlq/fMBT,yoonkiss/fMBT,01org/fMBT,yoonkiss/fMBT,violep01/fMBT,pombreda/fMBT,acozzette/fMBT,heivi/fMBT,pombreda/fMBT,giantpinkwalrus/fMBT,pablovirolainen/fMBT,mixu-/fMBT,OMKR/fMBT,pyykkis/fMBT,violep01/fMBT,giantpinkwalrus/fMBT,pombreda/fMBT,OMKR/fMBT,pablovirolainen/fMBT,rseymour/fMBT,OMKR/fMBT,mixu-/fMBT,rseymour/fMBT,01org/fMBT,pyykkis/fMBT,heivi/fMBT,heivi/fMBT,pablovirolainen/fMBT,acozzette/fMBT,heivi/fMBT,giantpinkwalrus/fMBT,pyykkis/fMBT,pablovirolainen/fMBT,pombreda/fMBT,giantpinkwalrus/fMBT,pyykkis/fMBT,acozzette/fMBT,pombreda/fMBT,heivi/fMBT