nios2: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
diff --git a/arch/nios2/lib/Makefile b/arch/nios2/lib/Makefile
index d5dce67..7cb25c0 100644
--- a/arch/nios2/lib/Makefile
+++ b/arch/nios2/lib/Makefile
@@ -5,28 +5,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(ARCH).o
-
-SOBJS-y += cache.o
-
-COBJS-y += board.o
-COBJS-$(CONFIG_CMD_BOOTM) += bootm.o
-COBJS-y += libgcc.o
-COBJS-y += time.o
-
-SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-
-$(LIB): $(obj).depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y += cache.o
+obj-y += board.o
+obj-$(CONFIG_CMD_BOOTM) += bootm.o
+obj-y += libgcc.o
+obj-y += time.o