This makes it easier for people packaging kernel-install plugins
to get the path right.
E.g. https://src.fedoraproject.org/rpms/python-virt-firmware/pull-request/3
fixes an issue where %{_libdir}/kernel/install.d was used,
which gives incorrect results on 64-bit architectures.
%_kernel_install_dir will make this even easier.
conf.set_quoted('INCLUDE_DIR', includedir)
conf.set_quoted('LIBDIR', libdir)
conf.set_quoted('LIBEXECDIR', libexecdir)
+conf.set_quoted('KERNEL_INSTALL_DIR', kernelinstalldir)
conf.set_quoted('MODPROBE_DIR', modprobedir)
conf.set_quoted('MODULESLOAD_DIR', modulesloaddir)
conf.set_quoted('PKGSYSCONFDIR', pkgsysconfdir)
%_udevhwdbdir {{UDEV_HWDB_DIR}}
%_udevrulesdir {{UDEV_RULES_DIR}}
%_journalcatalogdir {{SYSTEMD_CATALOG_DIR}}
+%_kernel_install_dir {{KERNEL_INSTALL_DIR}}
%_binfmtdir {{BINFMT_DIR}}
%_sysctldir {{SYSCTL_DIR}}
%_sysusersdir {{SYSUSERS_DIR}}