Revert "* Enabled stack overflow protection (CONFIG_CC_STACKPROTECTOR)"

This reverts commit b7b839658fd6a99291f23c5010e6da9f5aba429e.
* Disabled Virtualization (CONFIG_VIRTUALIZATION), since a router is not ment to be a kvm host
* Disabled kernel debugging (CONFIG_DEBUG_KERNEL), since nobody develops drivers using a production config
* Enabled RTL8723AE wifi drivers (CONFIG_RTL8723AE)
* Enabled stack overflow protection (CONFIG_CC_STACKPROTECTOR)