ARM: dts: dove: Rename "sa-sram" node to "sram"

The device node name should reflect generic class of a device so rename
the "sa-sram" node to "sram".  This will be also in sync with upcoming DT
schema.  No functional change.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

arch/arm/boot/dts/dove.dtsi

@@ -784,7 +784,7 @@ lcd0: lcd-controller@820000 {
 				status = "disabled";
 			};
 
-			crypto_sram: sa-sram@ffffe000 {
+			crypto_sram: sram@ffffe000 {
 				compatible = "mmio-sram";
 				reg = <0xffffe000 0x800>;
 				clocks = <&gate_clk 15>;