zephyr: sof/lib/mm_heap.h added Zephyr version

Definitions of mm_heap.h interface are not needed in Zephyr builds. To
avoid pulling in XTOS definitions when building with
CONFIG_SOF_ZEPHYR_STRICT_HEADERS=n, add a no-op version for Zephyr.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>

Author: kv2019i

xtos/include/sof/lib/mm_heap.h

@@ -9,6 +9,10 @@
 #ifndef __SOF_LIB_MM_HEAP_H__
 #define __SOF_LIB_MM_HEAP_H__
 
+#ifdef __ZEPHYR__
+#error "Please use zephyr/include/sof/lib/mm_heap.h instead"
+#endif
+
 #include <sof/common.h>
 #include <rtos/alloc.h>
 #include <rtos/cache.h>

zephyr/include/sof/lib/mm_heap.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright(c) 2024 Intel Corporation.
+ */
+
+#ifndef __SOF_LIB_MM_HEAP_H__
+#define __SOF_LIB_MM_HEAP_H__
+
+/* no-op on Zephyr */
+
+#endif /* __SOF_LIB_MM_HEAP_H__ */