fpga: virtex2: Split out image writing from pre/post operations

This is in preparation for adding slave serial programming support,
which uses the same pre/post operations as slave SelectMAP, to avoid
duplicating code.

Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
1 file changed