MIPS: BCM47xx: Migrate to new platform makefile style.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/bcm47xx/Platform b/arch/mips/bcm47xx/Platform
new file mode 100644
index 0000000..874b7ca
--- /dev/null
+++ b/arch/mips/bcm47xx/Platform
@@ -0,0 +1,7 @@
+#
+# Broadcom BCM47XX boards
+#
+platform-$(CONFIG_BCM47XX)	+= bcm47xx/
+cflags-$(CONFIG_BCM47XX)	+=					\
+		-I$(srctree)/arch/mips/include/asm/mach-bcm47xx
+load-$(CONFIG_BCM47XX)		:= 0xffffffff80001000