bl: pwm ctrl before bl on [1/1]

PD#SWPL-169836

Problem:
pwm_vs after bl_on because pwm_vs maybe will
slow one frame after set bl_pwm_ctrl

Solution:
set bl_pwm_ctrl before bl_on_delay

Verify:
t5m

Change-Id: I749c30605f9e1cb787fc14d09ced380107aabc0a
Signed-off-by: zijie.lin <zijie.lin@amlogic.com>
1 file changed