drivers/hwtracing/stm: Remove "select SRCU"

Now that the SRCU Kconfig option is unconditionally selected, there is
no longer any point in selecting it.  Therefore, remove the "select SRCU"
Kconfig statements.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Acked-by: Alexander Shishkin <[email protected]>
Reviewed-by: John Ogness <[email protected]>

Author: paulmckrcu

drivers/hwtracing/stm/Kconfig

@@ -2,7 +2,6 @@
 config STM
 	tristate "System Trace Module devices"
 	select CONFIGFS_FS
-	select SRCU
 	help
 	  A System Trace Module (STM) is a device exporting data in System
 	  Trace Protocol (STP) format as defined by MIPI STP standards.