intel/apollolake: Fix logic error

Testing dev->chip == NULL when dev == NULL doesn't make sense (and gcc
thinks that's undefined behavior which should be rewarded with a trap).

Change-Id: I801ce3d6b791fdf96b23333432dee394aa2e2ddf
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14360
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>

src/soc/intel/apollolake/chip.c

@@ -81,7 +81,7 @@ void platform_fsp_silicon_init_params_cb(struct FSPS_UPD *silupd)
 	silconfig->GraphicsConfigPtr = fsp_load_vbt();
 
 	struct device *dev = NB_DEV_ROOT;
-	if (!dev && !dev->chip_info) {
+	if (!dev || !dev->chip_info) {
 		printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
 		return;
 	}