ESP32-P4 UART pins setup, begin, detach, loopback function FIX#10517

SuGlider wants to merge 2 commits intoespressif:release/v3.1.xespressif/arduino-esp32:release/v3.1.xfrom

SuGlider:esp32_p4_uart_pinsSuGlider/arduino-esp32:esp32_p4_uart_pinsCopy head branch name to clipboard