net: dc2114x: Clean up send_setup_frame()

Clean up the send_setup_frame() to bring it up to standards with
U-Boot coding style, invert the loops where applicable to cut
down the level of indent. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
1 file changed