sparc: Fix broken files during license changes

Fixes broken search and replaced license changes in
files cpu/leon3/start.S and include/asm/winmacro.h
from commit 1a459660

Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>

Series-to: u-boot
Series-cc: Tom Rini <trini@konsulko.com>
Series-version: 2
Cover-letter:
sparc: Updates to SPARC architecture in preperation for generic board

This patch series is a backlog of preparation work for upcomming
generic board changes.

I first want to get these reviewed and submitted to mainline before
sending out more patches.
END