MIPS: PMC-Sierra: Move board Makefile parts to their own Platform file

Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1354/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms
index 9b6e8d7..c074ee2 100644
--- a/arch/mips/Kbuild.platforms
+++ b/arch/mips/Kbuild.platforms
@@ -5,6 +5,7 @@
 platforms += cobalt
 platforms += loongson
 platforms += mipssim
+platforms += pmc-sierra
 platforms += sgi-ip27
 platforms += vr41xx