clk: samsung: artpec-9: Add initial clock support for ARTPEC-9 SoC

clk: samsung: artpec-9: Add initial clock support for ARTPEC-9 SoC

Add initial clock support for Axis ARTPEC-9 SoC which is required
for enabling basic clock management.

Add clock support for below CMU (Clock Management Unit) blocks
in ARTPEC-9 SoC:
 - CMU_CMU
 - CMU_BUS
 - CMU_CORE
 - CMU_CPUCL
 - CMU_FSYS0
 - CMU_FSYS1
 - CMU_IMEM
 - CMU_PERI

Signed-off-by: GyoungBo Min <mingyoungbo@coasia.com>
Signed-off-by: Ravi Patel <ravi.patel@samsung.com>
Link: https://patch.msgid.link/20251029130731.51305-4-ravi.patel@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>