add jz47xx porting directory

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@774 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-06-25 06:14:14 +00:00
parent bf08f4d745
commit bcb3f44542

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