Add description and keywords for platform crates

Author: equation314

platforms/axplat-aarch64-bsta1000b/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-aarch64-bsta1000b"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for Black Sesame Technology A1000b SoC."
+keywords = ["arceos", "os", "hal", "embedded", "aarch64"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-aarch64-peripherals/Cargo.toml

@@ -2,6 +2,8 @@
 name = "axplat-aarch64-peripherals"
 version = "0.1.0"
 description = "ARM64 common peripheral drivers with `axplat` compatibility"
+keywords = ["arceos", "os", "hal", "peripheral", "aarch64"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-aarch64-phytium-pi/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-aarch64-phytium-pi"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for Phytium Pi board."
+keywords = ["arceos", "os", "hal", "embedded", "aarch64"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-aarch64-qemu-virt/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-aarch64-qemu-virt"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for QEMU ARM64 virtual machine."
+keywords = ["arceos", "os", "hal", "embedded", "aarch64"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-aarch64-raspi/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-aarch64-raspi"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for Raspberry Pi 4B board."
+keywords = ["arceos", "os", "hal", "aarch64", "raspi"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-loongarch64-qemu-virt/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-loongarch64-qemu-virt"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for QEMU LoongArch virtual machine."
+keywords = ["arceos", "os", "hal", "embedded", "loongarch"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-riscv64-qemu-virt/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-riscv64-qemu-virt"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for QEMU RISC-V virt board."
+keywords = ["arceos", "os", "hal", "embedded", "riscv"]
+categories = ["embedded", "no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

platforms/axplat-x86-pc/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "axplat-x86-pc"
 version = "0.1.0"
+description = "Implementation of `axplat` hardware abstraction layer for x86 Standard PC machine."
+keywords = ["arceos", "os", "hal", "x86"]
+categories = ["no-std", "hardware-support", "os"]
 edition.workspace = true
 authors.workspace = true
 license.workspace = true