[CPUFREQ] use an enum for speedstep processor identification

The "unsigned int processor" everywhere confused Rusty, leading to
breakage when he passed in smp_processor_id().

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 3ae5a7a..2ce8e0b 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -39,7 +39,7 @@
 
 /* speedstep_processor
  */
-static unsigned int speedstep_processor;
+static enum speedstep_processor speedstep_processor;
 
 static u32 pmbase;