net: usb: Fix spelling mistakes

wierdness  ==> weirdness
multicat  ==> multicast
limite  ==> limit
adddress  ==> address
operater  ==> operator
intial  ==> initial
smaler  ==> smaller
Communcation  ==> Communication
funcitons  ==> functions
everytime  ==> every time
Neigbor  ==> Neighbor
performace  ==> performance

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>