[PATCH v3 09/16] samples: rust: pci: specify base type for registers

The `register!` macro is going to require explicit base type, specify it
for both `register!` usages in PCI sample driver.

Signed-off-by: Gary Guo <[email protected]>
---
 samples/rust/rust_driver_pci.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci.rs
index 2282191e6292..13b035a95756 100644
--- a/samples/rust/rust_driver_pci.rs
+++ b/samples/rust/rust_driver_pci.rs
@@ -23,6 +23,8 @@ mod regs {
     use super::*;
 
     register! {
+        base: kernel::io::Region<END>;
+
         pub(super) TEST(u8) @ 0x0 {
             7:0 index => TestIndex;
         }
@@ -102,6 +104,8 @@ fn config_space(pdev: &pci::Device<Bound>) {
 
         // Some PCI configuration space registers.
         register! {
+            base: pci::Normal;
+
             VENDOR_ID(u16) @ 0x0 {
                 15:0 vendor_id;
             }

-- 
2.54.0