ARM: dts: renesas: r8a7740: Describe coresight

ARM: dts: renesas: r8a7740: Describe coresight

Describe the coresight topology on R-Mobile A1.  Extend the current PTM
node with connection funnel, TPIU, ETB and replicator.  Coresight on
this hardware is clocked from the ZT/ZTR trace clocks.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260422233744.149872-5-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>