x86: tsc: Use notrace from <linux/compiler.h>

Replace __attribute__((no_instrument_function)) with notrace from
<linux/compiler.h>.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/tsc_timer.c b/arch/x86/lib/tsc_timer.c
index e02b918..5a962ce 100644
--- a/arch/x86/lib/tsc_timer.c
+++ b/arch/x86/lib/tsc_timer.c
@@ -288,7 +288,7 @@
  * restart. This yields a free running counter guaranteed to take almost 6
  * years to wrap around even at 100GHz clock rate.
  */
-u64 __attribute__((no_instrument_function)) get_ticks(void)
+u64 notrace get_ticks(void)
 {
 	u64 now_tick = rdtsc();
 
@@ -299,7 +299,7 @@
 }
 
 /* Get the speed of the TSC timer in MHz */
-unsigned __attribute__((no_instrument_function)) long get_tbclk_mhz(void)
+unsigned notrace long get_tbclk_mhz(void)
 {
 	unsigned long fast_calibrate;
 
@@ -337,7 +337,7 @@
 	return get_ms_timer() - base;
 }
 
-ulong __attribute__((no_instrument_function)) timer_get_us(void)
+ulong notrace timer_get_us(void)
 {
 	return get_ticks() / get_tbclk_mhz();
 }