kernel: systemd needs these config options

...at least that's what their README file says. I know that some of the
namespace options are missing from the x86 defconfig which means that a
default build targeting VIA Epia won't boot properly.

Change-Id: I27168a28d079f15fce59259313d4a264601129ee
diff --git a/board/czechlight/common/kconfig b/board/czechlight/common/kconfig
index 5004b78..c7315aa 100644
--- a/board/czechlight/common/kconfig
+++ b/board/czechlight/common/kconfig
@@ -1,3 +1,38 @@
 # CONFIG_USB_ZERO is not set
 CONFIG_USB_CDC_COMPOSITE=m
 # CONFIG_USB_G_NOKIA is not set
+
+# systemd bits
+CONFIG_DEVTMPFS=y
+CONFIG_CGROUPS=y
+CONFIG_INOTIFY_USER=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EPOLL=y
+CONFIG_NET=y
+CONFIG_SYSFS=y
+CONFIG_PROC_FS=y
+CONFIG_FHANDLE=y
+CONFIG_CRYPTO_USER_API_HASH=y
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_SHA256=y
+CONFIG_SYSFS_DEPRECATED=n
+CONFIG_UEVENT_HELPER_PATH=""
+CONFIG_FW_LOADER_USER_HELPER=n
+CONFIG_DMIID=y
+CONFIG_BLK_DEV_BSG=y
+CONFIG_NET_NS=y
+CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
+CONFIG_USER_NS=y
+CONFIG_IPV6=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_TMPFS_XATTR=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_EXT4_POSIX_ACL=y
+CONFIG_SECCOMP=y
+CONFIG_SECCOMP_FILTER=y
+CONFIG_CHECKPOINT_RESTORE=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_RT_GROUP_SCHED=n