espi: mec172x: kbc0_ibf_isr: read sts before data
espi: mec172x: kbc0_ibf_isr: read sts before data

Read KBC Status register before reading KBC Data register
in kbc0_ibf_isr; since read data will clear status.

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

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