dts/arm/st: u5: Introduce stm32u585 variant

For now this variant is same as available stm32u575

Signed-off-by: Erwan Gouriou <[email protected]>

Author: erwango

dts/arm/st/u5/stm32u585.dtsi

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2021 Linaro Limited
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <st/u5/stm32u575.dtsi>

dts/arm/st/u5/stm32u585Xi.dtsi

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2021 Linaro Limited
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include <mem.h>
+#include <st/u5/stm32u585.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(786)>;
+	};
+
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_M(2)>;
+			};
+		};
+	};
+};