soc/intel/xeon_sp/spr: Fix upd_display.c build error

Fix below build error after DISPLAY_UPD_DATA is selected:
src/soc/intel/xeon_sp/spr/upd_display.c:131:29: error: variable 'old' set but not used [-Werror=unused-but-set-variable]
  131 |         const FSP_S_CONFIG *old;
      |                             ^~~
src/soc/intel/xeon_sp/spr/upd_display.c:130:29: error: variable 'new' set but not used [-Werror=unused-but-set-variable]
  130 |         const FSP_S_CONFIG *new;

Change-Id: I43ed5fadab58e0d4dc824457c7a1bdf48511198e
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76342
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions