lib: libc: malloc.c: fix calculation of sys heap

Change the condition so that ESP32 SoCs are using `_heap_sentry` to
get actual run-time heap size.

Signed-off-by: Marek Matej <[email protected]>

Author: Marek Matej

lib/libc/common/source/stdlib/malloc.c

@@ -101,8 +101,8 @@ static POOL_SECTION unsigned char __aligned(HEAP_ALIGN) malloc_arena[HEAP_SIZE];
 
 #   define HEAP_BASE	ROUND_UP(USED_RAM_END_ADDR, HEAP_ALIGN)
 
-#   if defined(CONFIG_XTENSA) && (defined(CONFIG_SOC_FAMILY_INTEL_ADSP) \
-	|| defined(CONFIG_HAS_ESPRESSIF_HAL))
+#   if (defined(CONFIG_XTENSA) && defined(CONFIG_SOC_FAMILY_INTEL_ADSP)) \
+	|| defined(CONFIG_HAS_ESPRESSIF_HAL)
 extern char _heap_sentry[];
 #    define HEAP_SIZE  ROUND_DOWN((POINTER_TO_UINT(_heap_sentry) - HEAP_BASE), HEAP_ALIGN)
 #   else