drivers/misc/Makefile, Kconfig: cleanup

tabs->space and delete unnecessary dummy build-in.o rule.
Suggested-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/misc/Makefile

 #
 # Makefile for misc devices that really don't fit anywhere else.
 #
-obj- := misc.o	# Dummy rule to force built-in.o to be made
 
 obj-$(CONFIG_IBM_ASM)		+= ibmasm/
 obj-$(CONFIG_HDPU_FEATURES)	+= hdpuftrs/