mcp2515: fix return from rx_status_filtermatch; Travis CI (clang)
mcp2515: fix return from rx_status_filtermatch; Travis CI (clang)

Signed-off-by: Jon Trulson <08664b19c2d4086eb239dd8ec32d593676a5b9e4@ics.com>

intel-iot-devkit/upm,intel-iot-devkit/upm,jontrulson/upm,g-vidal/upm,Propanu/upm,pylbert/upm,jontrulson/upm,g-vidal/upm,stefan-andritoiu/upm,stefan-andritoiu/upm,malikabhi05/upm,Jon-ICS/upm,Propanu/upm,Jon-ICS/upm,stefan-andritoiu/upm,intel-iot-devkit/upm,pylbert/upm,intel-iot-devkit/upm,spitfire88/upm,jontrulson/upm,malikabhi05/upm,malikabhi05/upm,sasmita/upm,spitfire88/upm,skiselev/upm,intel-iot-devkit/upm,Propanu/upm,nitirohilla/upm,Propanu/upm,spitfire88/upm,nitirohilla/upm,nitirohilla/upm,whbruce/upm,jontrulson/upm,skiselev/upm,skiselev/upm,g-vidal/upm,sasmita/upm,Propanu/upm,pylbert/upm,Jon-ICS/upm,sasmita/upm,stefan-andritoiu/upm,Jon-ICS/upm,pylbert/upm,whbruce/upm,Propanu/upm,sasmita/upm,sasmita/upm,jontrulson/upm,malikabhi05/upm,g-vidal/upm,whbruce/upm,g-vidal/upm,malikabhi05/upm,g-vidal/upm,whbruce/upm,malikabhi05/upm,Jon-ICS/upm,whbruce/upm,skiselev/upm,nitirohilla/upm,nitirohilla/upm,pylbert/upm,skiselev/upm,intel-iot-devkit/upm,pylbert/upm,stefan-andritoiu/upm,spitfire88/upm,stefan-andritoiu/upm,skiselev/upm,spitfire88/upm