Fixes #3926 by rebuilding the kernel, thus rebuilding the failing binary `scripts/basic/fixdep`. Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/6958>
* upgrades to 6.1.115, while introducing patches to defconfig to facilitate future upgrades * adds dev subpackage for out-of-tree module building Part-of: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/6620
Part-of: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/6580