Instead of depending on kmod-usb2 make it depend on the normal USB
dependencies. This should hopefully fix some problems seen in the build
bot builds for powerpc_8540.
In addition also activate DRIVER_11N_SUPPORT support.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 3ff3b044c01949cd7280978b17d0348ee9e7f4ae)