This patch fixes the following build warnings:
arch/mips/pci/ifxmips_pcie.c:1084:36: error: invalid use of undefined type 'struct platform_device'
1084 | struct device_node *node = pdev->dev.of_node;
| ^~
arch/mips/pci/ifxmips_pcie.c:1204:12: error: no previous prototype for 'ifx_pcie_bios_init' [-Werror=missing-prototypes]
1204 | int __init ifx_pcie_bios_init(void)
| ^~~~~~~~~~~~~~~~~~
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
988133846d