Remove fallback compatible string edt,edt-ft5x06 to fix below CHECK_DTBS
warnings:
  arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtb: touchscreen@38 (edt,edt-ft5406): compatible: ['edt,edt-ft5406', 'edt,edt-ft5x06'] is too long
	from schema $id: http://devicetree.org/schemas/input/touchscreen/edt-ft5x06.yaml#

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 .../boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso   | 2 +-
 .../boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtso   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso
index 146d45601f693e92e4c2613c0e56ef5ad63715cf..66cedc2dcd965d0cb3f858421009a0985e345ebf 100644
--- a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso
+++ b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-dc44.dtso
@@ -36,7 +36,7 @@ &i2c0 {
 	#size-cells = <0>;
 
 	polytouch: touchscreen@38 {
-		compatible = "edt,edt-ft5406", "edt,edt-ft5x06";
+		compatible = "edt,edt-ft5406";
 		reg = <0x38>;
 		interrupt-parent = <&pca9554_0>;
 		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
diff --git a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtso b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtso
index db66831f31af93bd60c1425b6e5c5c10fa77e845..8b9455bffbd2687bee8664083a97a982318ea6a9 100644
--- a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtso
+++ b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-rgb-cdtech-fc21.dtso
@@ -36,7 +36,7 @@ &i2c0 {
 	#size-cells = <0>;
 
 	polytouch: touchscreen@38 {
-		compatible = "edt,edt-ft5406", "edt,edt-ft5x06";
+		compatible = "edt,edt-ft5406";
 		reg = <0x38>;
 		interrupt-parent = <&pca9554_0>;
 		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;

-- 
2.34.1