package/systemd: needs kernel options

according to https://wiki.gentoo.org/wiki/Systemd#Kernel

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
[Peter: drop optional CGROUP_BPF / BPF_SYSCALL, unused POSIX_MQUEUE and
 DEVTMPFS which is already taken care of by linux.mk]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/systemd/systemd.mk

@@ -587,8 +587,13 @@ SYSTEMD_NINJA_ENV = $(HOST_UTF8_LOCALE_ENV)
 
 define SYSTEMD_LINUX_CONFIG_FIXUPS
 	$(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS)
-	$(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FHANDLE)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_EPOLL)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_SIGNALFD)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_TIMERFD)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_PROC_FS)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_SYSFS)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_AUTOFS4_FS)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_TMPFS_POSIX_ACL)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_TMPFS_XATTR)