x86: make processor type select depend on CONFIG_EMBEDDED

deselecting one of the CPU type CONFIG_CPU_SUP_* config options
can render a kernel unbootable. Make sure this option is only
available if CONFIG_EMBEDDED is enabled.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index a2ea148..c5f1013 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -420,7 +420,6 @@
 	depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
 
 menuconfig PROCESSOR_SELECT
-	default y
 	bool "Supported processor vendors" if EMBEDDED
 	help
 	  This lets you choose what x86 vendor support code your kernel