PCI: imx6: Simplify clock handling by using clk_bulk*() function

[ Upstream commit 6a401858 ]

Refactor the clock handling logic. Add 'clk_names' define in drvdata.
Use clk_bulk*() API to simplify the code.

Link: https://lore.kernel.org/r/20240220161924.3871774-2-Frank.Li@nxp.com


Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Stable-dep-of: f068ffdd ("PCI: imx6: Skip controller_id generation logic for i.MX7D")
Signed-off-by: Sasha Levin <sashal@kernel.org>