lib/: fix Kconfig indentation

Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
	$ sed -e 's/^        /	/' -i */Kconfig

Link: http://lkml.kernel.org/r/20191120140140.19148-1-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

lib/Kconfig

@@ -572,7 +572,7 @@ config OID_REGISTRY
 	  Enable fast lookup object identifier registry.
 
 config UCS2_STRING
-        tristate
+	tristate
 
 #
 # generic vdso

lib/Kconfig.debug

@@ -128,8 +128,8 @@ config DYNAMIC_DEBUG
 	  lineno : line number of the debug statement
 	  module : module that contains the debug statement
 	  function : function that contains the debug statement
-          flags : '=p' means the line is turned 'on' for printing
-          format : the format used for the debug statement
+	  flags : '=p' means the line is turned 'on' for printing
+	  format : the format used for the debug statement
 
 	  From a live system:
 
@@ -190,7 +190,7 @@ config DEBUG_INFO
 	bool "Compile the kernel with debug info"
 	depends on DEBUG_KERNEL && !COMPILE_TEST
 	help
-          If you say Y here the resulting kernel image will include
+	  If you say Y here the resulting kernel image will include
 	  debugging info resulting in a larger kernel image.
 	  This adds debug symbols to the kernel and modules (gcc -g), and
 	  is needed if you intend to use kernel crashdump or binary object
@@ -287,13 +287,13 @@ config STRIP_ASM_SYMS
 	  get_wchan() and suchlike.
 
 config READABLE_ASM
-        bool "Generate readable assembler code"
-        depends on DEBUG_KERNEL
-        help
-          Disable some compiler optimizations that tend to generate human unreadable
-          assembler output. This may make the kernel slightly slower, but it helps
-          to keep kernel developers who have to stare a lot at assembler listings
-          sane.
+	bool "Generate readable assembler code"
+	depends on DEBUG_KERNEL
+	help
+	  Disable some compiler optimizations that tend to generate human unreadable
+	  assembler output. This may make the kernel slightly slower, but it helps
+	  to keep kernel developers who have to stare a lot at assembler listings
+	  sane.
 
 config HEADERS_INSTALL
 	bool "Install uapi headers to usr/include"
@@ -523,11 +523,11 @@ config DEBUG_OBJECTS_PERCPU_COUNTER
 
 config DEBUG_OBJECTS_ENABLE_DEFAULT
 	int "debug_objects bootup default value (0-1)"
-        range 0 1
-        default "1"
-        depends on DEBUG_OBJECTS
-        help
-          Debug objects boot parameter default value
+	range 0 1
+	default "1"
+	depends on DEBUG_OBJECTS
+	help
+	  Debug objects boot parameter default value
 
 config DEBUG_SLAB
 	bool "Debug slab memory allocations"
@@ -658,7 +658,7 @@ config DEBUG_VM
 	depends on DEBUG_KERNEL
 	help
 	  Enable this to turn on extended checks in the virtual-memory system
-          that may impact performance.
+	  that may impact performance.
 
 	  If unsure, say N.
 
@@ -1398,7 +1398,7 @@ config DEBUG_WQ_FORCE_RR_CPU
 	  be impacted.
 
 config DEBUG_BLOCK_EXT_DEVT
-        bool "Force extended block device numbers and spread them"
+	bool "Force extended block device numbers and spread them"
 	depends on DEBUG_KERNEL
 	depends on BLOCK
 	default n

lib/Kconfig.kgdb

@@ -64,9 +64,9 @@ config KGDB_LOW_LEVEL_TRAP
        depends on X86 || MIPS
        default n
        help
-         This will add an extra call back to kgdb for the breakpoint
-         exception handler which will allow kgdb to step through a
-         notify handler.
+	 This will add an extra call back to kgdb for the breakpoint
+	 exception handler which will allow kgdb to step through a
+	 notify handler.
 
 config KGDB_KDB
 	bool "KGDB_KDB: include kdb frontend for kgdb"
@@ -96,7 +96,7 @@ config KDB_DEFAULT_ENABLE
 
 	  The config option merely sets the default at boot time. Both
 	  issuing 'echo X > /sys/module/kdb/parameters/cmd_enable' or
-          setting with kdb.cmd_enable=X kernel command line option will
+	  setting with kdb.cmd_enable=X kernel command line option will
 	  override the default settings.
 
 config KDB_KEYBOARD