Fix clang flag

[star-hengxing]

xmake-io/xmake-repo#6229

meson.build:1:0: ERROR: Unable to detect linker for compiler `/home/runner/work/xmake-repo/xmake-repo/android-ndk-r22/toolchains/llvm/prebuilt/linux-x86_64/bin/clang -Wl,--version -llog --target=aarch64-none-linux-android30 '-gcc-toolchain /home/runner/work/xmake-repo/xmake-repo/android-ndk-r22/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64' -fPIE -pie -nostdlib++ -llog --target=aarch64-none-linux-android30 '-gcc-toolchain /home/runner/work/xmake-repo/xmake-repo/android-ndk-r22/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64' -nostdlib++`
stdout: 
stderr: clang: error: unknown argument: '-gcc-toolchain /home/runner/work/xmake-repo/xmake-repo/android-ndk-r22/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64'
clang: error: unknown argument: '-gcc-toolchain /home/runner/work/xmake-repo/xmake-repo/android-ndk-r22/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64'

May related #5912