arm64: dts: salvator-x: External SCIF3/HSCIF3 loop

Add SCIF3 and HSCIF3 as two new serial ports to the r8a7795
Salvator-X DT file.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
[geert: Use generic pinctrl properties]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
1 file changed