build: debugserver: support multi config boards
build: debugserver: support multi config boards

Some boards have more than one _defconfig. The path of the board
directory was detected using the BOARD name. Use wildcard based on the
defconfig to find out the location of the board instead.

Jira: ZEP-2447

Signed-off-by: Anas Nashif <0d9952ec84ac43c159f6b7e7ed99a9080c00dd6e@intel.com>

runchip/zephyr-cc3220,aceofall/zephyr-iotos,fbsder/zephyr,mbolivar/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,rsalveti/zephyr,aceofall/zephyr-iotos,fbsder/zephyr,explora26/zephyr,rsalveti/zephyr,kraj/zephyr,ldts/zephyr,Vudentz/zephyr,rsalveti/zephyr,fbsder/zephyr,explora26/zephyr,finikorg/zephyr,rsalveti/zephyr,rsalveti/zephyr,galak/zephyr,nashif/zephyr,runchip/zephyr-cc3220,punitvara/zephyr,fbsder/zephyr,aceofall/zephyr-iotos,GiulianoFranchetto/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,mbolivar/zephyr,zephyriot/zephyr,explora26/zephyr,nashif/zephyr,mbolivar/zephyr,zephyrproject-rtos/zephyr,runchip/zephyr-cc3220,kraj/zephyr,explora26/zephyr,ldts/zephyr,finikorg/zephyr,kraj/zephyr,zephyriot/zephyr,galak/zephyr,aceofall/zephyr-iotos,Vudentz/zephyr,punitvara/zephyr,GiulianoFranchetto/zephyr,zephyriot/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,ldts/zephyr,punitvara/zephyr,galak/zephyr,GiulianoFranchetto/zephyr,zephyriot/zephyr,Vudentz/zephyr,aceofall/zephyr-iotos,finikorg/zephyr,ldts/zephyr,mbolivar/zephyr,kraj/zephyr,Vudentz/zephyr,mbolivar/zephyr,explora26/zephyr,nashif/zephyr,Vudentz/zephyr,runchip/zephyr-cc3220,nashif/zephyr,ldts/zephyr,runchip/zephyr-cc3220,nashif/zephyr,punitvara/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,Vudentz/zephyr,punitvara/zephyr,fbsder/zephyr