board/kup/kup4k/kup4k.c: Fix GCC 4.6 build warning

Fix:
kup4k.c: In function 'initdram':
kup4k.c:155:19: warning: variable 'mod' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Klaus Heydeck <heydeck@kieback-peter.de>
1 file changed