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>
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index bbe397d..933680b 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -64,9 +64,9 @@
        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 @@
 
 	  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