Add QT 4.6.4 build shell script and apps build shell script in qt4 folder

guowenxue

2019-05-17 1abf6c4b401af1c20d62fe9c2f5e73ce84d14b22

tools/rpi_crosstool.tar.bz2 does not exist in tree fc032138f5180ae88db9e77ba273dbdaa9e9471b