ipq806x: add space before SPDX identifier (again)

Strictly, an SPDX identifier requires a space between the comment
marker and the identifier itself. This has been addressed in
b69c21738e29 ("treewide: add space before SPDX identifier"), but
some new malformatted identifiers were merged recently.

This could have been prevented by using checkpatch.pl earlier.

Fixes: 1a775a4fd033 ("ipq806x: add support for TP-Link Talon AD7200")
Fixes: 8ddaeaf6424e ("ipq806x: create DTSI for TP-Link AD7200 and C2600")

Signed-off-by: Adrian Schmutzler <[email protected]>

target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8064-ad7200-c2600.dtsi

@@ -1,4 +1,4 @@
-//SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 
 #include "qcom-ipq8064-v2.0.dtsi"
 

target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8064-ad7200.dts

@@ -1,4 +1,4 @@
-//SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 
 #include "qcom-ipq8064-ad7200-c2600.dtsi"