initconst, x86: Fix initconst mistake in ts5500 code

const data must be initconst.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391845930-28580-14-git-send-email-ak@linux.intel.comSigned-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/platform/ts5500/ts5500.c

@@ -88,7 +88,7 @@ struct ts5500_sbc {
 static const struct {
 	const char * const string;
 	const ssize_t offset;
-} ts5500_signatures[] __initdata = {
+} ts5500_signatures[] __initconst = {
 	{ "TS-5x00 AMD Elan", 0xb14 },
 };