modules: Fix HAL eSPI OOB transfer size defines
modules: Fix HAL eSPI OOB transfer size defines

Fixed masking defines for eSPI OOB RX and TX transfer
length registers. The transfer length fields are 13 bit.
The incorrect defines masked 14 bits.

Signed-off-by: Scott Worley <186210b307f58d6c0a191337b635ed93ad075837@microchip.com>

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