ARM: dts: renesas: r8a73a4: Add ZT/ZTR trace clock on R-Mobile APE6

ARM: dts: renesas: r8a73a4: Add ZT/ZTR trace clock on R-Mobile APE6

Add ZT trace bus and ZTR trace clock on the R-Mobile APE6.
These clock supply the coresight tracing modules, PTM, TPIU,
ETB and replicator. Without these clock, the coresight tracing
can not be operated.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260502185557.93061-4-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>