drivers/pci: Avoid nested C/C++ comments
drivers/pci: Avoid nested C/C++ comments

Avoid nested C++ comments inside the C comment block due to MISRA-C
rule 3.1. Add ellipsis around the explanatory text instead.

Signed-off-by: Patrik Flykt <c0e05887987e3015fb9a12ef640a972ca16d7be2@intel.com>

explora26/zephyr,finikorg/zephyr,Vudentz/zephyr,ldts/zephyr,nashif/zephyr,ldts/zephyr,galak/zephyr,Vudentz/zephyr,galak/zephyr,Vudentz/zephyr,Vudentz/zephyr,galak/zephyr,finikorg/zephyr,ldts/zephyr,GiulianoFranchetto/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,nashif/zephyr,finikorg/zephyr,finikorg/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,explora26/zephyr,nashif/zephyr,GiulianoFranchetto/zephyr,zephyrproject-rtos/zephyr,Vudentz/zephyr,explora26/zephyr,explora26/zephyr,explora26/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,ldts/zephyr,galak/zephyr,GiulianoFranchetto/zephyr,punitvara/zephyr,punitvara/zephyr,GiulianoFranchetto/zephyr,punitvara/zephyr,punitvara/zephyr,finikorg/zephyr,Vudentz/zephyr,punitvara/zephyr,zephyrproject-rtos/zephyr,ldts/zephyr