comment "rtl8821cu needs a Linux kernel to be built" depends on !BR2_s390x depends on !BR2_LINUX_KERNEL config BR2_PACKAGE_RTL8821CU bool "rtl8821cu" depends on !BR2_s390x depends on BR2_LINUX_KERNEL help rtl8821cu wifi driver https://github.com/brektrou/rtl8821CU