reset: canaan: k230: drop OF dependency and enable by default

The driver doesn't use any symbols depending on CONFIG_OF, so drop the
dependency. Also, enable it by default when ARCH_CANAAN is selected.

Fixes: 360a7a6 ("reset: canaan: add reset driver for Kendryte K230")
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

Author: pigmoral

drivers/reset/Kconfig

@@ -161,7 +161,7 @@ config RESET_K210
 config RESET_K230
 	tristate "Reset controller driver for Canaan Kendryte K230 SoC"
 	depends on ARCH_CANAAN || COMPILE_TEST
-	depends on OF
+	default ARCH_CANAAN
 	help
 	  Support for the Canaan Kendryte K230 RISC-V SoC reset controller.
 	  Say Y if you want to control reset signals provided by this