x86, 386 removal: Remove CONFIG_INVLPG

All 486+ CPUs support INVLPG, so remove the fallback 386 support
code.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1354132230-21854-6-git-send-email-hpa@linux.intel.com

arch/x86/Kconfig.cpu

@@ -328,10 +328,6 @@ config X86_INVD_BUG
 config X86_WP_WORKS_OK
 	def_bool y
 
-config X86_INVLPG
-	def_bool y
-	depends on X86_32
-
 config X86_POPAD_OK
 	def_bool y
 	depends on X86_32