arm64: dts: renesas: r8a7795: Move arm_cc630p node

To preserve by-address-per-group sort order.

Fixes: 0f6d237c ("arm64: dts: renesas: r8a7795: add ccree to device tree")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>