devicetree: add virtual memory entry for intel platform

Add virtual memory entry in dt to use as virtual space
regions for aplication.
Add virtual memory definition in adsp_memory.h

Signed-off-by: Jakub Dabek <[email protected]>

Author: dabekjakub

dts/xtensa/intel/intel_adsp_ace15_mtpm.dtsi

@@ -60,6 +60,12 @@
 		reg = <0xa0020000 DT_SIZE_K(2816)>;
 	};
 
+	sram0virtual: virtualmemory@a0020000 {
+		device_type = "memory";
+		compatible = "mmio-sram";
+		reg = <0xa0020000 DT_SIZE_K(8192)>;
+	};
+
 	sram1: memory@a0000000 {
 		device_type = "memory";
 		compatible = "mmio-sram";

soc/xtensa/intel_adsp/ace/include/intel_ace15_mtpm/adsp_memory.h

@@ -15,6 +15,9 @@
 #define L2_SRAM_BASE (DT_REG_ADDR(DT_NODELABEL(sram0)))
 #define L2_SRAM_SIZE (DT_REG_SIZE(DT_NODELABEL(sram0)))
 
+#define L2_VIRTUAL_SRAM_BASE (DT_REG_ADDR(DT_NODELABEL(sram0virtual)))
+#define L2_VIRTUAL_SRAM_SIZE (DT_REG_SIZE(DT_NODELABEL(sram0virtual)))
+
 #define LP_SRAM_BASE (DT_REG_ADDR(DT_NODELABEL(sram1)))
 #define LP_SRAM_SIZE (DT_REG_SIZE(DT_NODELABEL(sram1)))