Move osie-coupler in a component
- create a component for 
osie-coupler - use 
open62541same compilation options forjs-droneandosie-coupler - set 
LDFLAGSandC_INCLUDE_PATHforosie-couplerinstead of using extra flags 
osie-coupler
open62541 same compilation options for js-drone and osie-coupler
LDFLAGS and C_INCLUDE_PATH for osie-coupler instead of using extra flags