add a missing LIB_Y to arch/alpha/boot Makefile

Add $(LIBS_Y) to get lib/lib.a so srm_printk is present.
Signed-off-by: Meelis Roos <mroos@linux.ee>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Jay Estabrook <jay.estabrook@hp.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/alpha/boot/Makefile

@@ -104,7 +104,7 @@ OBJ_bootlx   := $(obj)/head.o $(obj)/main.o
 OBJ_bootph   := $(obj)/head.o $(obj)/bootp.o
 OBJ_bootpzh  := $(obj)/head.o $(obj)/bootpz.o $(obj)/misc.o
 
-$(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) FORCE
+$(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE
 	$(call if_changed,ld)
 
 $(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE