staging: gs_fpga_boot: Remove multiple blank lines

This patch fixes the following checkpatch warning for the gs_fpgaboot
driver:
CHECK: Please don't use multiple blank lines.

Signed-off-by: sayli karnik <karniksayli1995@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>