doc: device-tree-bindings: switch from spi-flash to jedec, spi-nor

Since all DTS files has been switched to "jedec,spi-nor", remove
the "spi-flash" compatible from the bindings examples.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Patrick Delaunay <Patrick.delaunay@st.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/doc/device-tree-bindings/spi/spi-atcspi200.txt b/doc/device-tree-bindings/spi/spi-atcspi200.txt
index 9c0630b..e67b342 100644
--- a/doc/device-tree-bindings/spi/spi-atcspi200.txt
+++ b/doc/device-tree-bindings/spi/spi-atcspi200.txt
@@ -28,7 +28,7 @@
 		clocks = <&spiclk>;
 		interrupts = <3 4>;
 		flash@0 {
-			compatible = "spi-flash";
+			compatible = "jedec,spi-nor";
 			spi-max-frequency = <50000000>;
 			reg = <0>;
 			spi-cpol;
diff --git a/doc/device-tree-bindings/spi/spi-stm32-qspi.txt b/doc/device-tree-bindings/spi/spi-stm32-qspi.txt
index 6c7da1d..cec3e12 100644
--- a/doc/device-tree-bindings/spi/spi-stm32-qspi.txt
+++ b/doc/device-tree-bindings/spi/spi-stm32-qspi.txt
@@ -29,7 +29,7 @@
 		qflash0: n25q128a {
 			#address-cells = <1>;
 			#size-cells = <1>;
-			compatible = "micron,n25q128a13", "spi-flash";
+			compatible = "micron,n25q128a13", "jedec,spi-nor";
 			spi-max-frequency = <108000000>;
 			spi-tx-bus-width = <4>;
 			spi-rx-bus-width = <4>;