lcd: fix extern data_len mistake for lcd_tcon_spi usage [1/1]

PD#SWPL-191393

Problem:
lcd_extern data_len mistake for lcd_tcon_spi usage

Solution:
fix lcd_extern data_len mistake for lcd_tcon_spi usage

Verify:
ay301

Change-Id: Idea6968f00f25f94cb9a8229256d257d9602c177
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>
3 files changed