drivers: spi: fix formatting in mec172x ldma driver
drivers: spi: fix formatting in mec172x ldma driver

fix leading white space and use tabs instead of space
in mec172x spi ldma driver.

Signed-off-by: Jay Vasanth <f29a0b91d696aa12caa0e00daf52bda6a5259c6c@microchip.com>

zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr