bootloader: fixed the issue custom_uart_gpio doesn't take effect

components/bootloader_support/src/bootloader_console.c

@@ -73,10 +73,12 @@ void bootloader_console_init(void)
         // Route GPIO signals to/from pins
         const uint32_t tx_idx = UART_PERIPH_SIGNAL(uart_num, SOC_UART_TX_PIN_IDX);
         const uint32_t rx_idx = UART_PERIPH_SIGNAL(uart_num, SOC_UART_RX_PIN_IDX);
+        gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[uart_rx_gpio], PIN_FUNC_GPIO);
         PIN_INPUT_ENABLE(GPIO_PIN_MUX_REG[uart_rx_gpio]);
         esp_rom_gpio_pad_pullup_only(uart_rx_gpio);
         esp_rom_gpio_connect_out_signal(uart_tx_gpio, tx_idx, 0, 0);
         esp_rom_gpio_connect_in_signal(uart_rx_gpio, rx_idx, 0);
+        gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[uart_tx_gpio], PIN_FUNC_GPIO);
         // Enable the peripheral
         periph_ll_enable_clk_clear_rst(PERIPH_UART0_MODULE + uart_num);
     }