cec: cec b ARB timing cause cec 9.6.1 fail [1/1]

PD#SWPL-17658

Problem:
ARB timing setting is too large, it will cause
cec cts 9.6.1 fail

Solution:
reducec ARB timing

Verify:
sm1-AC214

Change-Id: I09f135c63f0f6f810719f6313b58bf84ebc574c1
Signed-off-by: Yong Qin <yong.qin@amlogic.com>

drivers/amlogic/cec/hdmi_ao_cec.c

@@ -753,7 +753,7 @@ static void ao_cecb_init(void)
 			reg = 0;
 			reg |= (0 << 6);/*curb_err_init*/
 			reg |= (0 << 5);/*en_chk_sbitlow*/
-			reg |= (0x15 << 0);/*rise_del_max*/
+			reg |= (CEC_B_ARB_TIME << 0);/*rise_del_max*/
 			hdmirx_cec_write(DWC_CEC_CTRL2, reg);
 		}
 
@@ -1210,7 +1210,7 @@ void cec_hw_reset(unsigned int cec_sel)
 			reg = 0;
 			reg |= (0 << 6);/*curb_err_init*/
 			reg |= (0 << 5);/*en_chk_sbitlow*/
-			reg |= (0x15 << 0);/*rise_del_max*/
+			reg |= (CEC_B_ARB_TIME << 0);/*rise_del_max*/
 			hdmirx_cec_write(DWC_CEC_CTRL2, reg);
 		}
 	} else {

drivers/amlogic/cec/hdmi_ao_cec.h

@@ -83,6 +83,8 @@ enum cecbver {
 #define ENABLE_ONE_CEC	1
 #define ENABLE_TWO_CEC	2
 
+#define CEC_B_ARB_TIME 8
+
 #define CEC_MSG_BUFF_MAX	30
 
 /*