Staging: rt2870: Allow building on ARM

Signed-off-by: Howard Chu <hyc@symas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/rt2870/Kconfig b/drivers/staging/rt2870/Kconfig
index 6ea172b..e988680 100644
--- a/drivers/staging/rt2870/Kconfig
+++ b/drivers/staging/rt2870/Kconfig
@@ -1,6 +1,6 @@
 config RT2870
 	tristate "Ralink 2870/3070 wireless support"
-	depends on USB && X86 && WLAN
+	depends on USB && (X86 || ARM) && WLAN
 	select WIRELESS_EXT
 	select WEXT_PRIV
 	select CRC_CCITT