Fix "pmbootstrap init" (provider package was removed).
postmarketOS/pmaports!7075 dropped support for selecting the msm8916
rproc option during "pmbootstrap init".
Fixes: 7a29af043c ("soc-qcom-msm8916: drop non-functional rproc selection")
[ci:ignore-count]
[Raymond: drop it everywhere]
Co-developed-by: Raymond Hackley <wonderfulShrineMaidenOfParadise@postmarketos.org>