Fix the initialisation of the fifo data in the uncompression serial
routines to ensure that if the FIFO is enabled, that the serial output
is not corrupted.
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
[ben-linux@fluff.org: edit description to add more detail]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>