set the UART1 pin directions in uart1_init()
set the UART1 pin directions in uart1_init()

patch from Hedde Bosman

arurke/contiki,bluerover/6lbr,arurke/contiki,arurke/contiki,bluerover/6lbr,arurke/contiki,muffinator/libmc1322x,arurke/contiki,arurke/contiki,arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,bluerover/6lbr,malvira/libmc1322x,MohamedSeliem/contiki,bluerover/6lbr,bluerover/6lbr,MohamedSeliem/contiki,MohamedSeliem/contiki,bluerover/6lbr,MohamedSeliem/contiki,bluerover/6lbr,muffinator/libmc1322x,malvira/libmc1322x,MohamedSeliem/contiki