bmips: increment polled keys interval to 100

There's no need to poll the gpio keys every 20 ms and the linux kernel
documentation suggests 100 ms.

Signed-off-by: Álvaro Fernández Rojas <[email protected]>

target/linux/bmips/dts/bcm63167-sercomm-h500-s.dtsi

@@ -16,7 +16,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		wps {
 			label = "wps";

target/linux/bmips/dts/bcm63168-comtrend-vr-3032u.dts

@@ -19,7 +19,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		reset {
 			label = "reset";

target/linux/bmips/dts/bcm63168-sercomm-shg2500.dts

@@ -27,7 +27,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		wps {
 			label = "wps";

target/linux/bmips/dts/bcm6318-comtrend-ar-5315u.dts

@@ -19,7 +19,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		wps {
 			label = "wps";

target/linux/bmips/dts/bcm6328-comtrend-ar-5387un.dts

@@ -18,7 +18,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		reset {
 			label = "reset";

target/linux/bmips/dts/bcm6358-huawei-hg556a-b.dts

@@ -18,7 +18,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		help {
 			label = "help";

target/linux/bmips/dts/bcm6362-huawei-hg253s-v2.dts

@@ -18,7 +18,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		reset {
 			label = "reset";

target/linux/bmips/dts/bcm6362-netgear-dgnd3700-v2.dts

@@ -21,7 +21,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		wlan {
 			label = "wlan";

target/linux/bmips/dts/bcm6368-comtrend-vr-3025u.dts

@@ -18,7 +18,7 @@
 
 	keys {
 		compatible = "gpio-keys-polled";
-		poll-interval = <20>;
+		poll-interval = <100>;
 
 		reset {
 			label = "reset";