board/freescale/mpc8266ads/mpc8266ads.c: Fix GCC 4.6 build warning

Fix:
mpc8266ads.c: In function 'initdram':
mpc8266ads.c:278:9: warning: variable 'spd_size' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
1 file changed