Replace the clock-frequency property with a fixed-clock providing the
32kHz input to the gpio-gate-clock.

Fix the following CHECK_DTBS warning:
  ti-wifi-clock (gpio-gate-clock): 'clock-frequency' does not match any of the regexes: '^pinctrl-[0-9]+$'

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm/boot/dts/nxp/imx/imx6qdl-sr-som-ti.dtsi | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-sr-som-ti.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-sr-som-ti.dtsi
index cd1e682f11add204f373b54b7ad90909fa6bfb5d..8192344d529462b7ee0a926e8650cdb316457961 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-sr-som-ti.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-sr-som-ti.dtsi
@@ -41,6 +41,12 @@
 #include <dt-bindings/gpio/gpio.h>
 
 / {
+	clk32k: clock-32k {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		#clock-cells = <0>;
+	};
+
 	nvcc_sd1: regulator-nvcc-sd1 {
 		compatible = "regulator-fixed";
 		regulator-always-on;
@@ -58,7 +64,7 @@ clk_ti_wifi: ti-wifi-clock {
 		 */
 		compatible = "gpio-gate-clock";
 		#clock-cells = <0>;
-		clock-frequency = <32768>;
+		clocks = <&clk32k>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_microsom_ti_clk>;
 		enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;

-- 
2.34.1