some fixes on pcduino
some fixes on pcduino

AstroPrint/AstroBox,madhuni/AstroBox,abinashk-inf/AstroBox,AstroPrint/AstroBox,AstroPrint/AstroBox,madhuni/AstroBox,abinashk-inf/AstroBox,abinashk-inf/AstroBox,madhuni/AstroBox,madhuni/AstroBox,abinashk-inf/AstroBox