Update rpp-lib

* rpp-lib 7f10feaa...9cba59d8 (9):
  > Update LWIP
  > Set MDIO initial sequence
  > Change RMII comunication to MII
  > Makefile.var: Whitespace fixes
  > Enable ethernet interrupts for all platforms
  > Add content to release
  > Static IP configuration
  > Touch PIN_ETHRST only on TMS570_RPP
  > Enable ehternet for all platform
  > Heap change
  > Get rid of "last line of file ends without a newline" warning

diff --git a/rpp-lib b/rpp-lib
index 7f10feaa2b1481d413543ccc82870befd4b51202..1361bde777e972de5a040f1e76faef7bc83848cf 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit 7f10feaa2b1481d413543ccc82870befd4b51202
+Subproject commit 1361bde777e972de5a040f1e76faef7bc83848cf