Add HostAP wireless driver.

Includes minor cleanups from Adrian Bunk <bunk@stusta.de>.
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index ec8cf29f..8f1e730 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -209,7 +209,7 @@
 	NoStructure = 0,	/* Really old firmware */
 	StructuredMessages = 1,	/* Parsable AT response msgs */
 	ChecksummedMessages = 2	/* Parsable AT response msgs with checksums */
-} FirmwareLevel;
+};
 
 struct strip {
 	int magic;