ARM: configs: keystone: Add basic systemd related options

Add basic options to bootup on systemd based distros such as debian.
See http://cgit.freedesktop.org/systemd/systemd/tree/README#n38 for
more information.
Signed-off-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org>

arch/arm/configs/keystone_defconfig

@@ -4,6 +4,12 @@ CONFIG_HIGH_RES_TIMERS=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_BLK_CGROUP=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS_ALL=y
@@ -106,6 +112,7 @@ CONFIG_IP_SCTP=y
 CONFIG_VLAN_8021Q=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_DMA_CMA=y
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
@@ -170,6 +177,8 @@ CONFIG_TI_AEMIF=y
 CONFIG_KEYSTONE_IRQ=y
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_FANOTIFY=y
+CONFIG_AUTOFS4_FS=y
 CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_NTFS_FS=y