Altera-stapl: Clean up makefile (-y instead of -objs)

Changed Makefile to use <modules>-y instead of <modules>-objs
because -objs is deprecated.
Signed-off-by: NTracey Dent <tdent48227@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/altera-stapl/Makefile

-altera-stapl-objs = altera-lpt.o altera-jtag.o altera-comp.o altera.o
+altera-stapl-y := altera-lpt.o altera-jtag.o altera-comp.o altera.o
 
 obj-$(CONFIG_ALTERA_STAPL) += altera-stapl.o