update linux patch for ov5640 dts, ov5640 can work normal on 64x480

guowenxue

2021-11-23 89e9f58c817a3c2b2ed4f4c363cd90bf5d1fea0a

 tools/lintools/buildroot/buildroot.sh

@@ -112,7 +112,10 @@
        exit ;
    fi

    echo ""
    echo ""
    echo " Switch work space to \"$WORK_SPACE\" " 
    echo ""
    mkdir -p $WORK_SPACE 
    cd $WORK_SPACE
}