clocksource/drivers/timer-ti-dm: Make driver selection bool for TI K3

The clocksource drivers do not currently have loadable modules as
pointed out by Daniel Lezcano <[email protected]>.

Let's reconsider this later on once timer removal discussion has been
done, and set timer-ti-dm to bool for TI K3 SoC.

Cc: Keerthy <[email protected]>
Cc: Nishanth Menon <[email protected]>
Cc: Vignesh Raghavendra <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Daniel Lezcano <[email protected]>

Author: tmlind

drivers/clocksource/Kconfig

@@ -57,7 +57,8 @@ config DIGICOLOR_TIMER
 	  Enables the support for the digicolor timer driver.
 
 config OMAP_DM_TIMER
-	tristate "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST
+	bool "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST
+	default y if ARCH_K3
 	select TIMER_OF
 	help
 	  Enables the support for the TI dual-mode timer driver.