Add HostAP wireless driver.

Includes minor cleanups from Adrian Bunk <bunk@stusta.de>.
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 2b87841..6c9cb0e 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -28,6 +28,8 @@
 
 obj-$(CONFIG_PRISM54)		+= prism54/
 
+obj-$(CONFIG_HOSTAP)		+= hostap/
+
 # 16-bit wireless PCMCIA client drivers
 obj-$(CONFIG_PCMCIA_RAYCS)	+= ray_cs.o
 obj-$(CONFIG_PCMCIA_WL3501)	+= wl3501_cs.o