net: emacps: Clean up empty lines

Replace double empty lines by single empty lines (3x).
Add empty lines after declaration of local variables (2x).
Add empty lines to separate unrelated paragraphs (2x).
Remove empty lines at end of function (2x).

Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>