gcc: Fix multilib baselib confusion

Commit 35fa8dc5f7da90fdd40091a3c3600d3fcd232922 changed the gcc recipes to use baselib for the compiler location. This is fine as long as baselib happens to match the platform multilib definition which is enabled at the time.

This patch fixes things so that gcc will honour whatever ${base_libdir} is set to re-allowing suitable customisation of the system layout.

[YOCTO #1362]

---

index 290d8f2..380f9f7 100644
@@ -1,6 +1,6 @@
 require gcc-common.inc
 
-PR = "r8"
+PR = "r9"
 
 # Third digit in PV should be incremented after a minor release
 # happens from this branch on gcc e.g. currently its 4.6.0

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cgit 0.9.0.1