dt-bindings: mtd: nand-controller: Fix the reg property description

stable inclusion
from stable-v5.10.110
commit 71917e45e1aa1ae5ef641677f98637975e8ae47b
bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=71917e45e1aa1ae5ef641677f98637975e8ae47b

--------------------------------

commit 93f2ec9e upstream.

The reg property of a NAND device always references the chip-selects.
The ready/busy lines are described in the nand-rb property. I believe
this was a harmless copy/paste error during the conversion to yaml.

Fixes: 212e4969 ("dt-bindings: mtd: Add YAML schemas for the generic NAND options")
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>
Acked-by: NRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20211216111654.238086-2-miquel.raynal@bootlin.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYu Liao <liaoyu15@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

Documentation/devicetree/bindings/mtd/nand-controller.yaml

@@ -44,7 +44,7 @@ patternProperties:
     properties:
       reg:
         description:
-          Contains the native Ready/Busy IDs.
+          Contains the chip-select IDs.
 
       nand-ecc-mode:
         description: