spi: Put argument of macro SPI_SWAP_DATA_TX/RX in parentheses
spi: Put argument of macro SPI_SWAP_DATA_TX/RX in parentheses

Close https://github.com/espressif/esp-idf/pull/3996

espressif/esp-idf,espressif/esp-idf,espressif/esp-idf,espressif/esp-idf