CpuId can only be loaded on x86

Author: chriselrod

src/LinearSolve.jl

@@ -41,13 +41,16 @@ import PrecompileTools
  import Krylov
  using SciMLBase
  import Preferences
- import CpuId
-
 const CRC = ChainRulesCore
 
-if Preferences.@load_preference("LoadMKL_JLL", !occursin("EPYC", CpuId.cpubrand()))
-    using MKL_jll
-    const usemkl = MKL_jll.is_available()
+@static if Sys.ARCH === :x86_64 || Sys.ARCH === :i686
+    import CpuId
+    if Preferences.@load_preference("LoadMKL_JLL", !occursin("EPYC", CpuId.cpubrand()))
+        using MKL_jll
+        const usemkl = MKL_jll.is_available()
+    else
+        const usemkl = false
+    end
 else
     const usemkl = false
 end