PCI: mediatek-gen3: Remove unneeded semicolon

Remove a surplus semicolon and fix the following warning:

./drivers/pci/controller/pcie-mediatek-gen3.c:414:2-3: Unneeded semicolon

Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=11789
Link: https://lore.kernel.org/r/[e-mail]
Reported-by: Abaci Robot <[e-mail]>
Signed-off-by: Yang Li <[e-mail]>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <[e-mail]>
Reviewed-by: Matthias Brugger <[e-mail]>
Reviewed-by: AngeloGioacchino Del Regno <[e-mail]>

drivers/pci/controller/pcie-mediatek-gen3.c

···
 		if (pcie->num_lanes > 1)
 			val |= FIELD_PREP(PCIE_SETTING_LINK_WIDTH,
 					  GENMASK(fls(pcie->num_lanes >> 2), 0));
-	};
+	}
 	writel_relaxed(val, pcie->base + PCIE_SETTING_REG);
 
 	/* Set Link Control 2 (LNKCTL2) speed restriction, if any */