gpio-button-hotplug: add wwan button

The wimax key will be used as a generic wwan key starting with Linux
3.13. The brcm47xx target uses this key for the 3g buttons. Also remove
the ifdef around KEY_WPS_BUTTON, this is in the kernel for a long time
now.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 39290

package/kernel/button-hotplug/src/button-hotplug.c

@@ -86,9 +86,8 @@ static struct bh_map button_map[] = {
 	BH_MAP(KEY_RESTART,	"reset"),
 	BH_MAP(KEY_POWER,	"power"),
 	BH_MAP(KEY_RFKILL,	"rfkill"),
-#ifdef KEY_WPS_BUTTON
 	BH_MAP(KEY_WPS_BUTTON,	"wps"),
-#endif /* KEY_WPS_BUTTON */
+	BH_MAP(KEY_WIMAX,	"wwan"),
 };
 
 /* -------------------------------------------------------------------------*/

package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c

@@ -96,6 +96,7 @@ static struct bh_map button_map[] = {
 	BH_MAP(KEY_RESTART,	"reset"),
 	BH_MAP(KEY_RFKILL,	"rfkill"),
 	BH_MAP(KEY_WPS_BUTTON,	"wps"),
+	BH_MAP(KEY_WIMAX,	"wwan"),
 };
 
 /* -------------------------------------------------------------------------*/