Add myself as a target maintainer for VxWorks

src/doc/rustc/src/platform-support/vxworks.md

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+# VxWorks
+
+**Tier: 3 (with Host Tools)**
+
+VxWorks is a real-time operating system (RTOS) developed by Wind River Systems as proprietary software. [VxWorks Datasheet](https://www.windriver.com/themes/Windriver/pdf/vxworks-7-datasheet.pdf)
+
+## Target Maintainers
+
+- B I Mohammed Abbas ([@biabbas](https://github.com/biabbas))
+
+## Requirements
+
+Development for this target involves cross-compiling from a host environment using a VxWorks Workbench and the Wind River C++ (wr-c++) driver.
+
+## Building the Target
+
+To build Rust binaries for VxWorks, you'll need a VxWorks 7 Workbench and Board Support Package (BSP) for each target. Supported VxWorks targets include:
+- aarch64-wrs-vxworks
+- armv7-wrs-vxworks-eabihf
+- i686-wrs-vxworks
+- powerpc-wrs-vxworks
+- powerpc-wrs-vxworks-spe
+- powerpc64-wrs-vxworks
+- x86_64-wrs-vxworks
+
+To enable a target for Rust (`rustc`):
+```toml
+[build]
+build-stage = 1
+target = ["aarch64-wrs-vxworks"]
+```
+
+## Building Rust Programs
+
+Once `rustc` supports the target and necessary library artifacts are available, Rust programs can be built for VxWorks:
+```sh
+rustc --target aarch64-wrs-vxworks your-code.rs
+```
+
+## Testing
+
+Currently, there is no support for running the Rust compiler (`rustc`) test suite for VxWorks targets.
+
+## Cross-compilation toolchains and C code
+
+The targets do support `C` code. To build compatible `C` code, you have to use wr-c++/wr-cc with the same compiler and flags.