pinctrl: mediatek: mt7986: rename reg-names to upstream linux format

Rename reg-names to upstream linux format. Upstream linux drop the
"_base". To make use of upstream DTSI, align to the upstream naming.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
diff --git a/arch/arm/dts/mt7986.dtsi b/arch/arm/dts/mt7986.dtsi
index f871f23..64ce45a 100644
--- a/arch/arm/dts/mt7986.dtsi
+++ b/arch/arm/dts/mt7986.dtsi
@@ -132,9 +132,9 @@
 		      <0x11f00000 0x1000>,
 		      <0x11f10000 0x1000>,
 		      <0x1000b000 0x1000>;
-		reg-names = "gpio_base", "iocfg_rt_base", "iocfg_rb_base",
-			    "iocfg_lt_base", "iocfg_lb_base", "iocfg_tr_base",
-			    "iocfg_tl_base", "eint";
+		reg-names = "gpio", "iocfg_rt", "iocfg_rb",
+			    "iocfg_lt", "iocfg_lb", "iocfg_tr",
+			    "iocfg_tl", "eint";
 		gpio: gpio-controller {
 			gpio-controller;
 			#gpio-cells = <2>;