Tiny clean-up of OPROFILE/KPROBES configuration

Make the Kconfig.instrumentation file a bit easier on the eyes, and use
the new ARCH_SUPPORTS_OPROFILE for x86[-64].

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 391cb18..80b7ba4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -112,8 +112,9 @@
 	bool
 	default X86_64
 
-
-
+config ARCH_SUPPORTS_OPROFILE
+	bool
+	default y
 
 
 config ZONE_DMA32