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1. Update the copyright information
 - 2009 => 2011
2. Add external oscillator configuration routine in "rt_hw_board_init()"
 - Before, it is set by default frequency, 32MHz
 - Now it can be set by user specified frequency
3. Add ADC and ACMP (analog comparator) drivers
4. Clarify the MCU and target board define in "rtconfig.py"

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1296 bbd45198-f89e-11dd-88c7-29a3b14d5316

modify serial.c serial.h and clk.c (for compatibility with sep4020.h) 

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 - New branch for Energy Micro's MCUs (http://energymicro.com/).
 - Target board: FM32 Gecko Starter Kit (http://www.energymicro.com/tools)

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actually context_iar.S is the same as context_iar.asm
but context_iar.S is used for SCONS, and context_iar.asm is used for IAR

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1272 bbd45198-f89e-11dd-88c7-29a3b14d5316

change the m16c assembly extension from s34 to asm
move the m16c porting files to m16c62p directory


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