board/w7o/fpga.c: Fix GCC 4.6 build warning

Fix:
fpga.c: In function 'fpgaDownload':
fpga.c:68:29: warning: variable 'val' set but not used
[-Wunused-but-set-variable]

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