x86: Remove dead config option X86_CPU

This isn't being referenced anywhere, and the selects done from
it can be easily done together with all the other X86 ones.

 v2: Also adjust UML's Kconfig.x86.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4D7603DA02000078000351C1@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index 62f2115..02fb017 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -10,6 +10,8 @@
 
 config UML_X86
 	def_bool y
+	select GENERIC_FIND_FIRST_BIT
+	select GENERIC_FIND_NEXT_BIT
 
 config 64BIT
 	bool
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d5ed94d..43214e3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -64,6 +64,8 @@
 	select HAVE_TEXT_POKE_SMP
 	select HAVE_GENERIC_HARDIRQS
 	select HAVE_SPARSE_IRQ
+	select GENERIC_FIND_FIRST_BIT
+	select GENERIC_FIND_NEXT_BIT
 	select GENERIC_IRQ_PROBE
 	select GENERIC_PENDING_IRQ if SMP
 	select USE_GENERIC_SMP_HELPERS if SMP
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 283c5a6..ed47e6e 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -294,11 +294,6 @@
 
 endif
 
-config X86_CPU
-	def_bool y
-	select GENERIC_FIND_FIRST_BIT
-	select GENERIC_FIND_NEXT_BIT
-
 #
 # Define implied options from the CPU selection here
 config X86_INTERNODE_CACHE_SHIFT