utest: UTEST_TIMER_TC -> RT_UTEST_TIMER

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>

src/utest/Kconfig

@@ -35,7 +35,7 @@ config RT_UTEST_EVENT
     default n
     depends on RT_USING_EVENT
 
-config UTEST_TIMER_TC
+config RT_UTEST_TIMER
     bool "timer test"
     default n
 

src/utest/SConscript

@@ -26,7 +26,7 @@ if GetDepend(['RT_UTEST_SEMAPHORE']):
 if GetDepend(['RT_UTEST_EVENT']):
     src += ['event_tc.c']
 
-if GetDepend(['UTEST_TIMER_TC']):
+if GetDepend(['RT_UTEST_TIMER']):
     src += ['timer_tc.c']
 
 if GetDepend(['UTEST_MESSAGEQUEUE_TC']):