net: log: Max debug level was forced too high
net: log: Max debug level was forced too high

Wrong Kconfig template was used for max debug level which caused
the max level to be the default level (ERROR). This prevented
all debug prints from showing.

Signed-off-by: Jukka Rissanen <f9f077d1da4c7aa947f9864fa5a28c3588f6a45d@linux.intel.com>

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