rename classname to I2C_LCD1602

Author: shaoziyang

lcd/I2C_LCD1602/i2c_lcd1602.py

@@ -12,7 +12,7 @@
 
 LCD_I2C_ADDR=const(63)
 
-class LCD1602():
+class I2C_LCD1602():
     def __init__(self, i2c, addr = 0):
         self.i2c=i2c
         self.buf = bytearray(1)