board/siemens/SCM/scm.c: Fix GCC 4.6 build warning

Fix:
scm.c: In function 'config_scoh_cs':
scm.c:400:16: warning: variable 'tmp' set but not used
[-Wunused-but-set-variable]

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