Claude review: rust: pci: use 'static lifetime for PCI BAR resource names

[Claude Code Review Bot <claude-review@example.com>]

Patch Review

Straightforward bug fix. `pci_request_region()` stores the name pointer in `struct resource`, so if the `Bar` is leaked the name pointer could dangle. Changing from `&CStr` / `&'a CStr` to `&'static CStr`:

```rust
-    pub(super) fn new(pdev: &Device, num: u32, name: &CStr) -> Result<Self> {
+    pub(super) fn new(pdev: &Device, num: u32, name: &'static CStr) -> Result<Self> {
```

This is correct and tagged `Cc: stable` appropriately. All three call sites (`new`, `iomap_region_sized`, `iomap_region`) are updated consistently. No issues.

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