defconfig: TMO enable LZ4 libs and disable frontswap

Signed-off-by: Paul Reioux <reioux@gmail.com>
drivers/exfat: add Samsung's open source exFat module version 1.2.4

Signed-off-by: Paul Reioux <reioux@gmail.com>
defconfig: ATT: enable exfat, lz4 and fastcharge

Signed-off-by: Paul Reioux <reioux@gmail.com>
defconfig: VZW: enable exfat, lz4, fastcharge and disable frontswap

Signed-off-by: Paul Reioux <reioux@gmail.com>