new kernel config

Added .dts file required for the NOUSBH board
Added kernel config for linux 3.18.0 with my local changes
- enable SECCOMP
- enable initrd support
- switch IO scheduler to "noop"
- change default root device to /dev/mmcblk0p1
- enable more powersave drivers
- enable FUSE support
- enable msdosfs
- enable ntfs
- enable squashfs
- enable reboot on panic/oops/hung task
- enable SAHARAv4
- filter access to /dev/mem
- enable DRBG