m32r: Rearrange platform-dependent codes

Rearrange platform-dependent codes from arch/m32r/kernel/*.c
to arch/m32r/platforms/{platform}/.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
diff --git a/arch/m32r/platforms/Makefile b/arch/m32r/platforms/Makefile
new file mode 100644
index 0000000..da03e1a
--- /dev/null
+++ b/arch/m32r/platforms/Makefile
@@ -0,0 +1,9 @@
+# arch/m32r/platforms/Makefile
+obj-$(CONFIG_PLAT_M32104UT)	+= m32104ut/
+obj-$(CONFIG_PLAT_M32700UT)	+= m32700ut/
+obj-$(CONFIG_PLAT_MAPPI)	+= mappi/
+obj-$(CONFIG_PLAT_MAPPI2)	+= mappi2/
+obj-$(CONFIG_PLAT_MAPPI3)	+= mappi3/
+obj-$(CONFIG_PLAT_OAKS32R)	+= oaks32r/
+obj-$(CONFIG_PLAT_OPSPUT)	+= opsput/
+obj-$(CONFIG_PLAT_USRV)		+= usrv/