riscv: dts: sophgo: sg2044: use hex for CPU unit address

riscv: dts: sophgo: sg2044: use hex for CPU unit address

Previous the CPU unit address cpu of sg2044 use decimal, it is
not following the general convention for unit addresses of the
OF. Convent the unit address to hex to resolve this problem.

The introduces a small change for the CPU node name, but it should
nothing since there is no direct full-path reference to these
CPU nodes.

Fixes: 967a94a92aaa ("riscv: dts: add initial Sophgo SG2042 SoC device tree")
Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://patch.msgid.link/20260426013449.694435-2-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>