samples: logger: Fix test on stack hungry platforms

This test is failing on platforms requiring a bigger stack size. This
issue is fixed by adding the missing CONFIG_TEST_EXTRA_STACKSIZE to
tweak the thread stack size.

Signed-off-by: Carlo Caione <[email protected]>

Author: carlocaione

samples/subsys/logging/logger/src/main.c

@@ -30,7 +30,7 @@ static struct k_mem_partition *app_parts[] = {
 #endif /* CONFIG_USERSPACE */
 
 /* size of stack area used by each thread */
-#define STACKSIZE 1024
+#define STACKSIZE (1024 + CONFIG_TEST_EXTRA_STACKSIZE)
 
 extern void sample_module_func(void);