+ - activate dual channel with CONFIG_SYS_I2C_IHS_DUAL
+ - CONFIG_SYS_I2C_IHS_SPEED_0_1 speed channel 0_1
+ - CONFIG_SYS_I2C_IHS_SLAVE_0_1 slave addr channel 0_1
+ - CONFIG_SYS_I2C_IHS_SPEED_1_1 speed channel 1_1
+ - CONFIG_SYS_I2C_IHS_SLAVE_1_1 slave addr channel 1_1
+ - CONFIG_SYS_I2C_IHS_SPEED_2_1 speed channel 2_1
+ - CONFIG_SYS_I2C_IHS_SLAVE_2_1 slave addr channel 2_1
+ - CONFIG_SYS_I2C_IHS_SPEED_3_1 speed channel 3_1
+ - CONFIG_SYS_I2C_IHS_SLAVE_3_1 slave addr channel 3_1