pci: pcie_dw_rockchip: Fixed the below compilation error

Use the generic error number instead of specific error number.
Changes fix the below error.

drivers/pci/pcie_dw_rockchip.c: In function 'rk_pcie_read':
drivers/pci/pcie_dw_rockchip.c:70:10: error: 'PCIBIOS_UNSUPPORTED'
                        undeclared (first use in this function)
   70 |   return PCIBIOS_UNSUPPORTED;
      |          ^~~~~~~~~~~~~~~~~~~
drivers/pci/pcie_dw_rockchip.c: In function 'rk_pcie_write':
drivers/pci/pcie_dw_rockchip.c:90:10: error: 'PCIBIOS_UNSUPPORTED'
                        undeclared (first use in this function)
   90 |   return PCIBIOS_UNSUPPORTED;
      |          ^~~~~~~~~~~~~~~~~~~

Cc: Patrick Wildt <[email protected]>
Cc: Neil Armstrong <[email protected]>
Cc: Kever Yang <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Reviewed-by: Patrick Wildt <[email protected]>
Signed-off-by: Anand Moon <[email protected]>
Reviewed-by: Kever Yang <[email protected]>

0 files changed, 0 insertions, 0 deletions