mac80211: rt2800-usb: enable "unknown" USB IDs

- should fix issue: https://forum.openwrt.org/viewtopic.php?id=57315
- enable support of more USB stick with rt28xx chipsets
- experimental: USB-IDs not in vendor linux driver
- experimental: "exact chipset is unknown"
- experimental: "enabling these devices may or may not work"

only compile tested

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>

SVN-Revision: 46882

package/kernel/mac80211/Makefile

@@ -1637,7 +1637,7 @@ config-$(call config_package,rt2800-pci) += RT2800PCI
 config-y += RT2800PCI_RT33XX RT2800PCI_RT35XX RT2800PCI_RT53XX RT2800PCI_RT3290
 
 config-$(call config_package,rt2800-usb) += RT2800USB
-config-y += RT2800USB_RT33XX RT2800USB_RT35XX RT2800USB_RT3573 RT2800USB_RT53XX RT2800USB_RT55XX
+config-y += RT2800USB_RT33XX RT2800USB_RT35XX RT2800USB_RT3573 RT2800USB_RT53XX RT2800USB_RT55XX RT2800USB_UNKNOWN
 
 config-$(call config_package,iwl-legacy) += IWLEGACY
 config-$(call config_package,iwl3945) += IWL3945