arm64: dts: mediatek: Apply mt8395-radxa DT overlay at build time

arm64: dts: mediatek: Apply mt8395-radxa DT overlay at build time

It's a requirement that DT overlays be applied at build time in order to
validate them as overlays are not validated on their own.

Add missing target for mt8395-radxa hd panel overlay.

Fixes: 4c8ff61199a7 ("arm64: dts: mediatek: mt8395-radxa-nio-12l: Add Radxa 8 HD panel")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Acked-by: AngeloGioacchino Del Regno <angelogiaocchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251205215940.19287-1-linux@fw-web.de
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>