clk: clk-axi-clkgen: remove unneeded semicolon

Remove unnecessary semicolons reported by Coccinelle/coccicheck and the
semantic patch at scripts/coccinelle/misc/semicolon.cocci.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250729022735.1437560-1-nichen@iscas.ac.cn
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: Chen Ni

drivers/clk/clk-axi-clkgen.c

@@ -540,7 +540,7 @@ static int axi_clkgen_setup_limits(struct axi_clkgen *axi_clkgen,
 	default:
 		return dev_err_probe(dev, -ENODEV, "Unknown speed grade %d\n",
 				     speed_grade);
-	};
+	}
 
 	/* Overwrite vco limits for ultrascale+ */
 	if (tech == ADI_AXI_FPGA_TECH_ULTRASCALE_PLUS) {