staging: fpgaboot: fix coccinelle warnings

drivers/staging/gs_fpgaboot/gs_fpgaboot.c:191:2-3: Unneeded semicolon

 Removes unneeded semicolon.

Generated by: coccinelle/misc/semicolon.cocci

CC: Insop Song <insop.song@gainspeed.com>
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gs_fpgaboot/gs_fpgaboot.c

@@ -188,7 +188,7 @@ static int gs_read_image(struct fpgaimage *fimage)
 	default:
 		pr_err("unsupported fpga image format\n");
 		return -1;
-	};
+	}
 
 	gs_print_header(fimage);