clk: qcom: Add TCSR clock driver for Nord SoC

clk: qcom: Add TCSR clock driver for Nord SoC

Add a clock driver for the TCSR clock controller found on Nord SoC,
which provides refclks for PCIE, USB, SGMII, UFS subsystems.

[Shawn:
- Use compatible qcom,nord-tcsrcc
- Drop include of <linux/of.h> as the driver doesn't use any OF APIs]

Signed-off-by: Taniya Das <taniya.das@oss.qualcomm.com>
Co-developed-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260403-nord-clks-v1-4-018af14979fd@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>