[PATCH] clocksource/timer-imx-tpm: define tpm_read_sched_clock() conditionally for arm

[trix@redhat.com]

From: Tom Rix <trix@redhat.com>

On aarch64 allyesconfig there is this error
timer-imx-tpm.c:78:20: error: 'tpm_read_sched_clock'
  defined but not used [-Werror=unused-function]
   78 | static u64 notrace tpm_read_sched_clock(void)
      |                    ^~~~~~~~~~~~~~~~~~~~

tpm_read_sched_clock() is only used conditionally
for arm.  So also define conditionally for arm.

Signed-off-by: Tom Rix <trix@redhat.com>
---
 drivers/clocksource/timer-imx-tpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c
index 60cefc247b715..bd64a8a8427f3 100644
--- a/drivers/clocksource/timer-imx-tpm.c
+++ b/drivers/clocksource/timer-imx-tpm.c
@@ -73,12 +73,12 @@ static unsigned long tpm_read_current_timer(void)
 {
 	return tpm_read_counter();
 }
-#endif
 
 static u64 notrace tpm_read_sched_clock(void)
 {
 	return tpm_read_counter();
 }
+#endif
 
 static int tpm_set_next_event(unsigned long delta,
 				struct clock_event_device *evt)
-- 
2.26.3