** DATE/WHOM/TYPE:
- 2015/01/13, jason, add auto-recognization CPU feature and modify the t
  verson to 1.5d.
* DIGEST:
- add auto-recognization CPU feature.
* TEST METHOD:
	Downaload image and test the linux image.
* ROOT CAUSE:
	CPU feature.
* MODIFIED FILES:
		1. boot/init/ver.h
		2. btcode/start.S
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