reset: Add Amlogic Meson Reset Controller

The Amlogic Meson SoCs embeds up to 256 reset lines, add the corresponding
driver.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 71a786b..ccfdac7 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -83,4 +83,12 @@
 	  though is that some reset signals, like I2C or MISC reset multiple
 	  devices.
 
+config RESET_MESON
+	bool "Reset controller driver for Amlogic Meson SoCs"
+	depends on DM_RESET && ARCH_MESON
+	imply REGMAP
+	default y
+	help
+	  Support for reset controller on Amlogic Meson SoC.
+
 endmenu