[Driver][NFC] Don't specify offloading model in help text for -Xarch_device/host (#165503)

Current implementation for -Xarch_device/host can work in any offloading
model besides CUDA/HIP, so remove the specific offloading model in help
text to align with implementation.

---------

Signed-off-by: jinge90 <[email protected]>
Co-authored-by: Alexey Bader <[email protected]>
Co-authored-by: Joseph Huber <[email protected]>

Author: 3 people

clang/include/clang/Driver/Options.td

@@ -951,9 +951,9 @@ def Xarch__
   the host system, which can be used to suppress incompatible GPU arguments.}]>,
       MetaVarName<"<arch> <arg>">;
 def Xarch_host : Separate<["-"], "Xarch_host">, Flags<[NoXarchOption]>,
-  HelpText<"Pass <arg> to the CUDA/HIP host compilation">, MetaVarName<"<arg>">;
+  HelpText<"Pass <arg> to host compilation in the offloading toolchain">, MetaVarName<"<arg>">;
 def Xarch_device : Separate<["-"], "Xarch_device">, Flags<[NoXarchOption]>,
-  HelpText<"Pass <arg> to the CUDA/HIP device compilation">, MetaVarName<"<arg>">;
+  HelpText<"Pass <arg> to device compilation in the offloading toolchain">, MetaVarName<"<arg>">;
 def Xassembler : Separate<["-"], "Xassembler">,
   HelpText<"Pass <arg> to the assembler">, MetaVarName<"<arg>">,
   Group<CompileOnly_Group>;