arm920t: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/arch/arm/cpu/arm920t/at91/Makefile b/arch/arm/cpu/arm920t/at91/Makefile
index b2b1e56..561b4b4 100644
--- a/arch/arm/cpu/arm920t/at91/Makefile
+++ b/arch/arm/cpu/arm920t/at91/Makefile
@@ -5,30 +5,9 @@
# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).o
-
-SOBJS += lowlevel_init.o
-COBJS += reset.o
-COBJS += timer.o
-COBJS += clock.o
-COBJS += cpu.o
-COBJS += at91rm9200_devices.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y += lowlevel_init.o
+obj-y += reset.o
+obj-y += timer.o
+obj-y += clock.o
+obj-y += cpu.o
+obj-y += at91rm9200_devices.o