Merge branch 'fix/chip_rst_if_rx_float_when_light_sleep' into 'master'

fix(ESPAT-2401): Fixed a potential reboot issue when uart1 rx is float after entering light-sleep

See merge request application/esp-at!1856

Author: xcguang

main/interface/uart/at_uart_api.c

@@ -251,7 +251,6 @@ void at_uart_workaround(void)
 
     // a workaround for uart1 voltage fluctuation issue during light-sleep
     gpio_sleep_sel_dis(g_uart_port_pin.tx_pin);
-    gpio_sleep_sel_dis(g_uart_port_pin.rx_pin);
     if (g_uart_port_pin.cts_pin != -1) {
         gpio_sleep_sel_dis(g_uart_port_pin.cts_pin);
     }