docs/zh_CN/rust: Update the translation of arch-support to 6.9-rc4

Update to commit 81889e8 ("RISC-V: enable building
64-bit kernels with rust support")
commit 01848ee ("docs: rust: fix improper rendering in
Arch Supportpage")
commit 724a75a ("arm64: rust: Enable Rust support
for AArch64")
commit 90868ff ("LoongArch: Enable initial Rust support")
commit e5e8657 ("rust: sort uml documentation arch support table")
commit 04df97e ("Documentation: rust: Fix arch support table")
commit 0438aad ("rust: arch/um: Add support for CONFIG_RUST
under x86_64 UML")

Signed-off-by: Yanteng Si <[email protected]>
Reviewed-by: Dongliang Mu <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
Link: https://lore.kernel.org/r/e61eee747275c4e258416e079315b8e23fe3fde5.1714113680.git.siyanteng@loongson.cn

Author: Yanteng Si

Documentation/translations/zh_CN/rust/arch-support.rst

@@ -16,8 +16,12 @@
 
 下面是目前可以工作的架构的一般总结。支持程度与 ``MAINTAINERS`` 文件中的``S`` 值相对应:
 
-============  ================  ==============================================
-架构          支持水平          限制因素
-============  ================  ==============================================
-``x86``       Maintained        只有 ``x86_64``
-============  ================  ==============================================
+=============  ================  ==============================================
+架构           支持水平           限制因素
+=============  ================  ==============================================
+``arm64``      Maintained        只有小端序
+``loongarch``  Maintained        \-
+``riscv``      Maintained        只有 ``riscv64``
+``um``         Maintained        只有 ``x86_64``
+``x86``        Maintained        只有 ``x86_64``
+=============  ================  ==============================================