lcd_driver_name改为tft08006

另外，驱动代码里将name也改为tft08006

@suncw
从手册的时序图和参数表分析，这些参数设置对的

lcd_hbp           = <8>;
lcd_ht              = <816>;
lcd_hspw         = <4>;
lcd_vbp           = <8>;
lcd_vt               = <496>;
lcd_vspw          = <4>;

芯片规格书中的Thbp(即lcd_hbp)已将包含Thw（即lcd_hspw）， 所以lcd_hbp = Thbp = 12

、