rit128x96: fix nightly_test warnings.

rit128x96: fix nightly_test warnings.

Fix the following nightly test warnings:
 ./bertos/drv/lcd_rit128x96.h:39:28: warning: drv/clock_lm3s.h: No such file or directory
 ./bertos/drv/lcd_rit128x96.h:40:26: warning: drv/ssi_lm3s.h: No such file or directory
 ./bertos/drv/lcd_rit128x96.h:41:27: warning: drv/gpio_lm3s.h: No such file or directory
 ./bertos/drv/lcd_rit128x96.c:110: warning: implicit declaration of function 'LCD_WRITE'
 ./bertos/drv/lcd_rit128x96.c:112: warning: implicit declaration of function 'LCD_READ'
 ./bertos/drv/lcd_rit128x96.c:122: warning: implicit declaration of function 'LCD_SET_COMMAND'
 ./bertos/drv/lcd_rit128x96.c:162: warning: implicit declaration of function 'LCD_SET_DATA'

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3414 38d2e660-2303-0410-9eaa-f027e97ec537