@pierref you're welcome. I'm glad you found a solution!

@altr0n Looking at this: https://github.com/ubports/android_kernel_lge_hammerhead/blob/ubp-5.1/arch/arm/configs/cyanogenmod_hammerhead_defconfig#L1491 bcmdhd is being built as a module. Can you confirm that it is being built? Maybe it's just not being installed. How exactly did you "craft" the boot image?