[PATCH] i386: Fix the missing Rust HPET configuration option

[Zhao Liu]

The configuration option of Rust HPET is missing, so that PC machine
can't boot with "hpet=on" when QEMU Rust support is enabled.

Add the Rust HPET configuration option.

Fixes: d128c341a744 ("i386: enable rust hpet for pc when rust is enabled")
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
---
 hw/timer/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig
index 9ac008453408..c051597180f4 100644
--- a/hw/timer/Kconfig
+++ b/hw/timer/Kconfig
@@ -13,6 +13,10 @@ config HPET
     bool
     default y if PC && !HAVE_RUST
 
+config X_HPET_RUST
+    bool
+    default y if PC && HAVE_RUST
+
 config I8254
     bool
     depends on ISA_BUS
-- 
2.34.1