lib_manager: Set target memory flags after data loading from storage

Memory region must first be mapped as writable to allow data to be placed
there. Then the target access flags are set, e.g. read-only and executable.

Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>

Author: softwarecki

src/library_manager/lib_manager.c

@@ -129,7 +129,7 @@ static int lib_manager_load_data_from_storage(void __sparse_cache *vma, void *s_
 {
 	/* Region must be first mapped as writable in order to initialize its contents. */
 	int ret = sys_mm_drv_map_region((__sparse_force void *)vma, POINTER_TO_UINT(NULL), size,
-					flags | SYS_MM_MEM_PERM_RW);
+					SYS_MM_MEM_PERM_RW);
 	if (ret < 0)
 		return ret;
 
@@ -139,11 +139,7 @@ static int lib_manager_load_data_from_storage(void __sparse_cache *vma, void *s_
 
 	dcache_writeback_region(vma, size);
 
-	/* TODO: Change attributes for memory to FLAGS. Implementation of required function in tlb
-	 * driver is in progress.
-	 * sys_mm_drv_update_region_flags(vma, size, flags);
-	 */
-	return 0;
+	return sys_mm_drv_update_region_flags(vma, size, flags);
 }
 
 static int lib_manager_load_module(const uint32_t module_id,