mtd: rawnand: marvell: fix spelling mistake in kernel doc

Correct the spelling mistake 'Regiters' -> 'Registers'.

Fixes: 961ba15c ("mtd: rawnand: marvell: Fix clock resource by adding a register clock")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>

drivers/mtd/nand/raw/marvell_nand.c

@@ -378,7 +378,7 @@ struct marvell_nfc_caps {
  * @dev:		Parent device (used to print error messages)
  * @regs:		NAND controller registers
  * @core_clk:		Core clock
- * @reg_clk:		Regiters clock
+ * @reg_clk:		Registers clock
  * @complete:		Completion object to wait for NAND controller events
  * @assigned_cs:	Bitmask describing already assigned CS lines
  * @chips:		List containing all the NAND chips attached to