sysreset: Add uclass Kconfig dependency to drivers

None of the sysreset drivers do anything beyond providing sysreset
uclass ops. They should depend on the sysreset uclass.

Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Stefan Roese <sr@denx.de>

drivers/sysreset/Kconfig

@@ -118,8 +118,6 @@ config SYSRESET_TI_SCI
 	  This enables the system reset driver support over TI System Control
 	  Interface available on some new TI's SoCs.
 
-endif
-
 config SYSRESET_SYSCON
 	bool "Enable support for mfd syscon reboot driver"
 	select REGMAP
@@ -162,4 +160,6 @@ config SYSRESET_MPC83XX
 	help
 	  Reboot support for NXP MPC83xx SoCs.
 
+endif
+
 endmenu