[U-Boot] [PATCH] lib: time: update module enable MACRO

[Kever Yang]

We'd better use correct way to check if module has enabled.
for we have 3 timer MACRO:
- CONFIG_TIMER
- CONFIG_SPL_TIMER
- CONFIG_TPL_TIMER

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 lib/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/time.c b/lib/time.c
index 3bf678a232..9c55da6f1b 100644
--- a/lib/time.c
+++ b/lib/time.c
@@ -56,7 +56,7 @@ ulong timer_get_boot_us(void)
 extern unsigned long __weak timer_read_counter(void);
 #endif
 
-#ifdef CONFIG_TIMER
+#if CONFIG_IS_ENABLED(TIMER)
 ulong notrace get_tbclk(void)
 {
 	if (!gd->timer) {
-- 
2.20.1