hw/xtensa: fix build for esp32s3 on macos

Author: igrr

hw/xtensa/esp32s3.c

@@ -13,6 +13,7 @@
 #include "qemu/error-report.h"
 #include "qemu/units.h"
 #include "qapi/error.h"
+#include "qemu/memalign.h"
 #include "hw/hw.h"
 #include "hw/boards.h"
 #include "hw/loader.h"
@@ -22,7 +23,6 @@
 #include "hw/irq.h"
 #include "hw/i2c/i2c.h"
 #include "hw/qdev-properties.h"
-#include <malloc.h>
 
 #include "qemu/osdep.h"
 #include "hw/hw.h"
@@ -472,7 +472,7 @@ static void esp32s3_soc_init(Object *obj)
 
         object_initialize_child(obj, name, &s->cpu[i], TYPE_ESP32S3_CPU);
         // Allocate memory for TIE registers
-        s->cpu[i].env.ext =  memalign(16, sizeof(CPUXtensaEsp32s3State));
+        s->cpu[i].env.ext = qemu_memalign(16, sizeof(CPUXtensaEsp32s3State));
 
         if (i == 0)
         {