Kconfig whitespace fixes

trivial whitespace fixes.  Mostly changing leading spaces to tabs.

Change-Id: I0bdfe2059b90725e64adfc0bdde785b4e406969d
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: http://review.coreboot.org/10000
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/cpu/intel/socket_LGA771/Kconfig

@@ -1,6 +1,6 @@
 config CPU_INTEL_SOCKET_LGA771
 	bool
-        select CPU_INTEL_MODEL_6FX
+	select CPU_INTEL_MODEL_6FX
 	select SSE2
 	select MMX
 	select AP_IN_SIPI_WAIT