dt-bindings: nvmem: don't check node names

Node names are already and properly checked by the core schema. No need
to do it again.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20251114110636.143268-7-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Wolfram Sang

Documentation/devicetree/bindings/nvmem/st,stm32-romem.yaml

@@ -31,7 +31,7 @@ properties:
     maxItems: 1
 
 patternProperties:
-  "^.*@[0-9a-f]+$":
+  "@[0-9a-f]+$":
     type: object
     $ref: layouts/fixed-cell.yaml
     unevaluatedProperties: false