kernel: fix kmod-usb-phy-nop

phy-generic.ko was renamed and moved from kernel version to version.
kernel <= 3.9: nop-usb-xceiv.ko
kernel >= 3.10 && <= 3.11: phy-nop.ko
kernel >= 3.12: phy-generic.ko

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


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39563 3c298f89-4303-0410-b956-a3cf2f4a3e73