riscv: reset: k1: Add reset driver

Add spacemit reset driver.

Signed-off-by: Huan Zhou <me@per1cycle.org>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 5edbb3c..b408f19 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -245,4 +245,10 @@
 	  RZ/G2L SoC. This is required for USB 2.0 functionality to work on this
 	  SoC.
 
+config RESET_SPACEMIT_K1
+	bool "Support for SPACEMIT's K1 Reset driver"
+	depends on DM_RESET
+	help
+	  Support for SPACEMIT's K1 Reset system. Basic Assert/Deassert
+	  is supported.
 endmenu