mvebu: remove wpad and hostapd from bsp

No device in the mvebu bsp has wireless capabilites, so wpad/hostapd are
not required. At the same time, hostapd consumes a whole cpu core under
some circumstances. Therefore, remove wpad and hostapd from the mvebu
target, until they are required by a new device.

Signed-off-by: Fabian Bläse <fabian@blaese.de>

bsp/mvebu-cortexa72/.config

@@ -36,8 +36,6 @@ CONFIG_PACKAGE_libuclient=m
 CONFIG_PACKAGE_libwolfssl=m
 CONFIG_PACKAGE_opkg=m
 CONFIG_PACKAGE_uclient-fetch=m
-CONFIG_PACKAGE_wpad-basic=y
-CONFIG_PACKAGE_wpad-basic-wolfssl=m
 CONFIG_PACKAGE_yafut=m
 CONFIG_STRIP_KERNEL_EXPORTS=y
 # CONFIG_TARGET_ROOTFS_EXT4FS is not set