codeowners: Add code owners for Intel SoC FPGA Agilex
codeowners: Add code owners for Intel SoC FPGA Agilex

Add code owners for Intel SoC FPGA Agilex board and clock drivers.

Signed-off-by: Siew Chin Lim <9082f4411dd88d774138ab69c348edda67774f6d@intel.com>

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