你好，目前使用AM3352，控制LCD背光，但是在管脚配置出现错误，提示_omap_mux_get_by_name: Could not find signal ECAP0_IN_PWM0_OUT.ecap0_in_pwm0_out。
但是mux33xx.c定义了 _AM33XX_MUXENTRY(ECAP0_IN_PWM0_OUT, 0,
"ecap0_in_pwm0_out", "uart3_txd", "spi1_cs1", NULL,
"spi1_sclk", "mmc0_sdwp", NULL, "gpio0_7"),，不知道为什么还报错
