pinctrl: meson: add g12a support

Add pinctrl support for the Amlogic G12A SoC, which is
very similar to the Amlogic AXG support but with an additionnal
drive-strength register bank.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h
index 28085a7..b3683e2 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.h
+++ b/drivers/pinctrl/meson/pinctrl-meson.h
@@ -41,6 +41,7 @@
 	void __iomem *reg_gpio;
 	void __iomem *reg_pull;
 	void __iomem *reg_pullen;
+	void __iomem *reg_ds;
 };
 
 /**