WARNING: CONFIG_RTC_DRV_CMOS is invalid
It is unset
Allowed values : y, !
Comment says: optional, but highly recommended

WARNING: CONFIG_FW_LOADER_USER_HELPER is invalid
Value is: y
Allowed values : n, !
Comment says: it's actually needed by some Lollipop based devices; systemd(optional): http://cgit.freedesktop.org/systemd/systemd/commit/README?id=713bc0cfa477ca1df8769041cb3dbc83c10eace2

WARNING: CONFIG_SECURITY_SELINUX_BOOTPARAM is invalid
It is unset
Allowed values : y, !
Comment says: Required by hybris, SELinux needs to be disabled. Leave as not set, if you have unset AUDIT (read more about the CONFIG_AUDIT flag)

ERROR: CONFIG_HOTPLUG is invalid
It is unset
Allowed values : y
Comment says: systemd: http://cgit.freedesktop.org/systemd/systemd/commit/README?id=713bc0cfa477ca1df8769041cb3dbc83c10eace2

WARNING: CONFIG_CGROUP_MEM_RES_CTLR is invalid
It is unset
Allowed values : y, !
Comment says: systemd (optional): http://0pointer.de/blog/projects/cgroups-vs-cgroups.html

WARNING: CONFIG_NETPRIO_CGROUP is invalid
It is unset
Allowed values : y, !
Comment says: systemd (optional): http://0pointer.de/blog/projects/cgroups-vs-cgroups.html

WARNING: CONFIG_CGROUP_MEM_RES_CTLR_KMEM is invalid
It is unset
Allowed values : y, !
Comment says: systemd (optional): http://0pointer.de/blog/projects/cgroups-vs-cgroups.html

WARNING: CONFIG_NET_CLS_CGROUP is invalid
It is unset
Allowed values : y, !
Comment says: systemd (optional): http://0pointer.de/blog/projects/cgroups-vs-cgroups.html

WARNING: CONFIG_LBDAF is invalid
It is unset
Allowed values : y, !
Comment says: ext4 filesystem requires this in order to support filesysetms with huge_file feature, which is enabled by default by mke2fs.ext4

WARNING: CONFIG_CGROUP_MEM_RES_CTLR_SWAP is invalid
It is unset
Allowed values : y, !
Comment says: systemd (optional): http://0pointer.de/blog/projects/cgroups-vs-cgroups.html

WARNING: CONFIG_WATCHDOG_NOWAYOUT is invalid
It is unset
Allowed values : y, !
Comment says: If device uses watchdogs with dsme (https://github.com/nemomobile/dsme), this option should be enabled or watchdog does not protect the device in case dsme crashes.