utest: UTEST_MEMPOOL_TC -> RT_UTEST_MEMPOOL

Which is missed in PR #10808 "utest: unify configname", add it.

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

examples/utest/configs/kernel/mem.cfg

@@ -4,6 +4,6 @@ CONFIG_RT_USING_CI_ACTION=y
 
 CONFIG_RT_UTEST_MEMHEAP=y
 CONFIG_RT_UTEST_SMALL_MEM=y
-CONFIG_UTEST_MEMPOOL_TC=y
+CONFIG_RT_UTEST_MEMPOOL=y
 
 CONFIG_UTEST_THR_STACK_SIZE=8192

src/utest/Kconfig

@@ -79,7 +79,7 @@ menu "Kernel Core"
         bool "Scheduler Test"
         default n
 
-    config UTEST_MEMPOOL_TC
+    config RT_UTEST_MEMPOOL
         bool "Memory Pool Test"
         default n
         depends on RT_USING_MEMPOOL

src/utest/SConscript

@@ -55,7 +55,7 @@ if GetDepend(['RT_UTEST_HOOKLIST']):
 if GetDepend(['RT_UTEST_MTSAFE_KPRINT']):
     src += ['mtsafe_kprint_tc.c']
 
-if GetDepend(['UTEST_MEMPOOL_TC']):
+if GetDepend(['RT_UTEST_MEMPOOL']):
     src += ['mempool_tc.c']
 
 # Stressful testcase for scheduler (MP/UP)