dts: flash: add missing DT properties to jedec,spi-nor

The erase-block-size and write-block-size are needed for the spi_nor
driver to compile.

scripts/dts/extract/flash.py automatically adds these properties if
this flash device is part of the "chosen" flash node, but they're
otherwise missing.

Signed-off-by: Jim Paris <[email protected]>

Author: jimparis

dts/bindings/mtd/jedec,spi-nor.yaml

@@ -23,6 +23,20 @@ properties:
     description: JEDEC ID as manufacturer ID, memory type, memory density
     generation: define
 
+  erase-block-size:
+   type: int
+   description: address alignment required by flash erase operations
+   generation: define
+   category: optional
+   label: alignment
+
+  write-block-size:
+   type: int
+   description: address alignment required by flash write operations
+   generation: define
+   category: optional
+   label: alignment
+
   size:
     type: int
     category: optional