arch-x86: Ignore mbind syscall

mbind gets called when running with a dGPU in ROCm 4,
but we are able to ignore it without breaking anything

Change-Id: I7c1ba47656122a5eb856981dca2a05359098e3b2
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47526
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>

src/arch/x86/linux/syscall_tbl64.cc

@@ -284,7 +284,7 @@ SyscallDescTable<EmuLinux::SyscallABI64> EmuLinux::syscallDescs64 = {
     { 234, "tgkill", tgkillFunc<X86Linux64> },
     { 235, "utimes" },
     { 236, "vserver" },
-    { 237, "mbind" },
+    { 237, "mbind", ignoreFunc },
     { 238, "set_mempolicy" },
     { 239, "get_mempolicy", ignoreFunc },
     { 240, "mq_open" },