There is no need to use set_timer(). Replace with appropriate use of
get_timer()
Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
Acked-by: Wolfgang Denk <wd@denx.de>
currently sectors 0-3. Sector 3 does not need to be protected, though
(U-boot occupies sectors 0-1 and the environment sector 2). This commit
fixes this, i.e., only sectors 0-2 are protected.