PCI: dwc: Add helper to find the Vendor Specific Extended Capability (VSEC)

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The new dw_pcie_find_vsec_capability() helper will be used within
different DWC APIs to find the VSEC capabilities like PTM, RAS, etc.

Co-developed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Shradha Todi <shradha.t@samsung.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Tested-by: Hrishikesh Deleep <hrishikesh.d@samsung.com>
Link: https://lore.kernel.org/r/20250221131548.59616-3-shradha.t@samsung.com
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>

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Shradha Todi 2025-02-21 18:45:45 +05:30 • committed by Krzysztof Wilczyński

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commit efaf16de43

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drivers/pci/controller/dwc/pcie-designware.c

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