x86/Kconfig: Fix indentation and add endif comments to arch/x86/Kconfig

The convention for indentation seems to be a single tab. Help text is
further indented by an additional two whitespaces. Fix the lines that
violate these rules.

While add it, add missing trailing endif comments and squeeze multiple
empty lines.
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20220525133203.52463-2-juerg.haefliger@canonical.com

arch/x86/Kconfig

@@ -530,7 +530,7 @@ config X86_EXTENDED_PLATFORM
 
 	  If you have one of these systems, or if you want to build a
 	  generic distribution kernel, say Y here - otherwise say N.
-endif
+endif # X86_32
 
 if X86_64
 config X86_EXTENDED_PLATFORM
@@ -549,7 +549,7 @@ config X86_EXTENDED_PLATFORM
 
 	  If you have one of these systems, or if you want to build a
 	  generic distribution kernel, say Y here - otherwise say N.
-endif
+endif # X86_64
 # This is an alphabetically sorted list of 64 bit extended platforms
 # Please maintain the alphabetic order if and when there are additions
 config X86_NUMACHIP
@@ -898,7 +898,7 @@ config INTEL_TDX_GUEST
 	  memory contents and CPU state. TDX guests are protected from
 	  some attacks from the VMM.
 
-endif #HYPERVISOR_GUEST
+endif # HYPERVISOR_GUEST
 
 source "arch/x86/Kconfig.cpu"
 
@@ -2598,7 +2598,6 @@ source "drivers/idle/Kconfig"
 
 endmenu
 
-
 menu "Bus options (PCI etc.)"
 
 choice
@@ -2822,7 +2821,6 @@ config AMD_NB
 
 endmenu
 
-
 menu "Binary Emulations"
 
 config IA32_EMULATION
@@ -2867,11 +2865,10 @@ config COMPAT_FOR_U64_ALIGNMENT
 config SYSVIPC_COMPAT
 	def_bool y
 	depends on SYSVIPC
-endif
+endif # COMPAT
 
 endmenu
 
-
 config HAVE_ATOMIC_IOMAP
 	def_bool y
 	depends on X86_32