scripts: extract: globals.py: fix node name when it includes "@"
scripts: extract: globals.py: fix node name when it includes "@"

In some cases, node label could be generated with "/" character
in name string, which prevents compilation

Signed-off-by: Erwan Gouriou <de4d967452b83bb0e37525652734e7d9163b6a4c@linaro.org>
Signed-off-by: Florian Vaussard <ef1e2bd37ca89620283a38ee0519838a257cab3b@gmail.com>

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