spi: spidev_fdx: Fix the wrong format specifier

The unsigned int should use "%u" instead of "%d".

Signed-off-by: zhang jiao <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

tools/spi/spidev_fdx.c

···
 		return;
 	}
 
-	printf("%s: spi mode 0x%x, %d bits %sper word, %d Hz max\n",
+	printf("%s: spi mode 0x%x, %d bits %sper word, %u Hz max\n",
 		name, mode, bits, lsb ? "(lsb first) " : "", speed);
 }