linux-firmware: bump firmware for Intel Wireless 8260AC to version 31

Bump the firmware for 8260AC and related hardware to version 31.

Signed-off-by: Stijn Segers <foss@volatilesystems.org>

package/firmware/linux-firmware/intel.mk

@@ -143,7 +143,7 @@ $(eval $(call BuildPackage,iwlwifi-firmware-iwl7265d))
 Package/iwlwifi-firmware-iwl8260c = $(call Package/firmware-default,Intel Wireless 8260 and 4165 firmware)
 define Package/iwlwifi-firmware-iwl8260c/install
 	$(INSTALL_DIR) $(1)/lib/firmware
-	$(INSTALL_DATA) $(PKG_BUILD_DIR)/iwlwifi-8000C-27.ucode $(1)/lib/firmware
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/iwlwifi-8000C-31.ucode $(1)/lib/firmware
 endef
 $(eval $(call BuildPackage,iwlwifi-firmware-iwl8260c))