[x86 setup] Make struct ist_info cross-architecture, and use in setup code

Make "struct ist_info" valid on both i386 and x86-64, and use the
structure by name in the setup code.  Additionally, "Intel SpeedStep
IST" is redundant, refer to it as IST consistently.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-x86_64/ist.h b/include/asm-x86_64/ist.h
new file mode 100644
index 000000000000..338857ecbc68
--- /dev/null
+++ b/include/asm-x86_64/ist.h
@@ -0,0 +1 @@
+#include <asm-i386/ist.h>