drivers: net: Remove unnecessary semicolon

drivers/net/dsa/mt7530.c:649:3-4: Unneeded semicolon
drivers/net/ethernet/cisco/enic/enic_clsf.c:35:2-3: Unneeded semicolon
drivers/net/ethernet/faraday/ftgmac100.c:1640:2-3: Unneeded semicolon
drivers/net/ethernet/mediatek/mtk_eth_soc.c:229:2-3: Unneeded semicolon
drivers/net/usb/sr9700.c:437:2-3: Unneeded semicolon

Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Sean Wang <sean.wang@mediatek.com> for mt7530 and mtk_eth_soc
Signed-off-by: David S. Miller <davem@davemloft.net>