staging: olpc_dcon: olpc_dcon_xo_1_5: Remove multiple blank lines.

This issue is caught by checkpatch.pl and is related to the following
warning:
	- CHECK: Please don't use multiple blank lines

Signed-off-by: Emmanuil Chatzipetru <chatzi.emanuel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>