first commit
21/03/2013, tim taisik Ham modified the following function.

void _pal_lld_setgroupmode( ioportid_t 		port,
                            ioportmask_t 	mask,
                            iomode_t 		mode
                            //int 	 	curpin
                           )
2013/03/21,timtsham:
  - adapted the function which was provide from ChibiOS.
2013/03/21, tsham
  - be implemented spi handler in terms of ChibiOS functions.
L3GD20_SPI_AF declaration : due to handle function.
21/03/2013,tsham
 -  _pal_lld_setgroupmode second parameter for AF shift.
The file has finished to port on Chibi functions.
added  for AF
Replace set_group_mode????
Turning on and off leds are based on eight segments which was discussed.
In order to merge testhal directory in stead of testhal_wrk, the movement
happend
Directory making subdirectory l3gd20 from testhal.
The led lamp has changed turning off before turining on.
Some of commands has been changed to reduce it. Especially, SPI_ENABLE
in stead of SPI_Command was summarized.
Makefile directory path changed
Be eliminated this directory called testhal_wrk
Origin operates normally
This is origin file to merge with ChibiOS
Objective :
       l3gd20.mak : means makefile to compile l3gd20 files.
       l3gdcomp.c : describes low-level initialization for L3GD20H
git n