v261
kernel-install: do not mix || and &&
kernel-install(uki): filter comments from cmdline
kernel-install: handle removal unsuccessful UKIs and loader entries separately
Define $KERNEL_INSTALL_UKI_GENERATOR
fd-util: add wildcard_fd_is_valid() helper and use it tree-wide
meson: use files() not find_program() for helper scripts
kernel-install: add uki.conf example