uncrustify
ALLJOYN-2333: Use correct value for default build target

Remove accidentally-added quotes so the value stored in the default_target
variable is used, instead of the string literal 'default_target'.
ALLJOYN-2388: SLAP timeout values scale with baudrate and packet size
ALLJOYN-2388: WS fix
ALLJOYN-2398: Disabling RX ISR instead of TX ISR when receiving