mtd: spi-nor: remove unneeded smpt zeroization

The entire smpt array is initialized with data read from sfdp,
there is no need to init it with zeroes before.
Signed-off-by: NTudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: NBoris Brezillon <boris.brezillon@bootlin.com>

drivers/mtd/spi-nor/spi-nor.c

@@ -3091,7 +3091,7 @@ static int spi_nor_parse_smpt(struct spi_nor *nor,
 
 	/* Read the Sector Map Parameter Table. */
 	len = smpt_header->length * sizeof(*smpt);
-	smpt = kzalloc(len, GFP_KERNEL);
+	smpt = kmalloc(len, GFP_KERNEL);
 	if (!smpt)
 		return -ENOMEM;