dt-bindings: Use lower case hex in unit-addresses

DT unit addresses should be lower case hex. Fix all the
binding examples.

Converted with the following command from Krzysztof Kozlowski:

sed -e 's/@\([a-fA-F0-9_-]*\) {/@\L\1 {/' -i $(find Documentation/devicetree/bindings -name '*.txt')

Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/crypto/atmel-crypto.txt b/Documentation/devicetree/bindings/crypto/atmel-crypto.txt
index 7de1a9674c70..6b458bb2440d 100644
--- a/Documentation/devicetree/bindings/crypto/atmel-crypto.txt
+++ b/Documentation/devicetree/bindings/crypto/atmel-crypto.txt
@@ -75,7 +75,7 @@ Required properties:
 - clock-frequency: must be present in the i2c controller node.
 
 Example:
-atecc508a@C0 {
+atecc508a@c0 {
 	compatible = "atmel,atecc508a";
 	reg = <0xC0>;
 };