powerpc: remove support for kmtergr1 and MPC8309

The kmtegr1 board is out of maintenance and can be removed. As it is the
only board in the tree using MPC8309 the support for this CPU is dropped
completely.

Signed-off-by: Holger Brunck <holger.brunck@hitachienergy.com>
diff --git a/include/linux/immap_qe.h b/include/linux/immap_qe.h
index 022771f..45307f5 100644
--- a/include/linux/immap_qe.h
+++ b/include/linux/immap_qe.h
@@ -16,7 +16,7 @@
 #define QE_MURAM_SIZE		0xc000UL
 #define MAX_QE_RISC		2
 #define QE_NUM_OF_SNUM		28
-#elif defined(CONFIG_ARCH_MPC832X) || defined(CONFIG_ARCH_MPC8309)
+#elif defined(CONFIG_ARCH_MPC832X)
 #define QE_MURAM_SIZE		0x4000UL
 #define MAX_QE_RISC		1
 #define QE_NUM_OF_SNUM		28