MLK-25371 arm64: dts: imx8m: disable the l1ss in default

Disable the L1SS feature in default.
Please remove this patch, if L1SS is required, and make sure
that the HW supports L1SS.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Jun Li <jun.li@nxp.com>
(cherry picked from commit 2843e1e62c991aab16150a56508d415fd43f3fbc)

arch/arm64/boot/dts/freescale/imx8mm-evk.dts

@@ -238,6 +238,7 @@ &pcie0{
 				 <&clk IMX8MM_SYS_PLL2_100M>,
 				 <&clk IMX8MM_SYS_PLL2_250M>;
 	ext_osc = <1>;
+	l1ss-disabled;
 	status = "okay";
 };
 

arch/arm64/boot/dts/freescale/imx8mp-evk.dts

@@ -689,6 +689,7 @@ &pcie{
 	assigned-clock-rates = <500000000>, <10000000>;
 	assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>,
 				 <&clk IMX8MP_SYS_PLL2_50M>;
+	l1ss-disabled;
 	status = "okay";
 };
 

arch/arm64/boot/dts/freescale/imx8mq-evk.dts

@@ -671,6 +671,7 @@ &pcie0 {
 				 <&clk IMX8MQ_SYS2_PLL_250M>;
 	hard-wired = <1>;
 	vph-supply = <&vgen5_reg>;
+	l1ss-disabled;
 	status = "okay";
 };
 
@@ -692,6 +693,7 @@ &pcie1 {
 				 <&clk IMX8MQ_SYS2_PLL_100M>,
 				 <&clk IMX8MQ_SYS2_PLL_250M>;
 	vph-supply = <&vgen5_reg>;
+	l1ss-disabled;
 	status = "okay";
 };