intel/strago: Remove support for older rev boards

Cleaning up code to remove support for early revs of Strago board

Change-Id: Ic0647a17d78164fd7dfadc731c9395a8ba08c235
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/13434
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/mainboard/intel/strago/gpio.c

@@ -262,12 +262,5 @@ static struct soc_gpio_config gpio_config = {
 struct soc_gpio_config *mainboard_get_gpios(void)
 {
 
-	switch (board_id()) {
-	case BOARD_DVT:
-		return get_override_gpios_dvt();
-	case BOARD_BCRD2:
-		return get_override_gpios_bcrd2();
-	default:
-		return &gpio_config;
-	}
+	return &gpio_config;
 }