mtd: spi-nor: Fix formatting in spi_nor_read_raw() kerneldoc comment

It doesn't make sense to put "set" on its own line like that.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20221101162906.990125-1-j.neuschaefer@gmx.net

drivers/mtd/spi-nor/sfdp.c

@@ -135,8 +135,7 @@ struct sfdp_4bait {
 /**
  * spi_nor_read_raw() - raw read of serial flash memory. read_opcode,
  *			addr_nbytes and read_dummy members of the struct spi_nor
- *			should be previously
- * set.
+ *			should be previously set.
  * @nor:	pointer to a 'struct spi_nor'
  * @addr:	offset in the serial flash memory
  * @len:	number of bytes to read