dm: reset: add BCM6345 reset driver

This is a simplified version of linux/arch/mips/bcm63xx/reset.c

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 80f4646..e6af7da 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -42,6 +42,12 @@
 	  Enable support for manipulating Tegra's on-SoC reset signals via IPC
 	  requests to the BPMP (Boot and Power Management Processor).
 
+config RESET_BCM6345
+	bool "Reset controller driver for BCM6345"
+	depends on DM_RESET && ARCH_BMIPS
+	help
+	  Support reset controller on BCM6345.
+
 config RESET_UNIPHIER
 	bool "Reset controller driver for UniPhier SoCs"
 	depends on ARCH_UNIPHIER