package/kmod: fix build with musl

Patch from upstream PR still being discussed:
https://github.com/kmod-project/kmod/pull/32

Fixes: #16093

Signed-off-by: Fiona Klute <fiona.klute+wiwa@gmx.de>
[yann.morin.1998@free.fr:
  - add upstream tag to the patch
  - reference #16093
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>