ipw2x00: move under intel vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index d7211a7..52946d8 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -6,11 +6,9 @@
 obj-$(CONFIG_WLAN_VENDOR_ATMEL) += atmel/
 obj-$(CONFIG_WLAN_VENDOR_BROADCOM) += broadcom/
 obj-$(CONFIG_WLAN_VENDOR_CISCO) += cisco/
+obj-$(CONFIG_WLAN_VENDOR_INTEL) += intel/
 obj-$(CONFIG_WLAN_VENDOR_ST) += st/
 
-obj-$(CONFIG_IPW2100) += ipw2x00/
-obj-$(CONFIG_IPW2200) += ipw2x00/
-
 obj-$(CONFIG_HERMES)		+= orinoco/
 
 obj-$(CONFIG_PRISM54)		+= prism54/