mpc83xx: Introduce ARCH_MPC832*

Replace CONFIG_MPC832* with proper CONFIG_ARCH_MPC832* Kconfig options.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/include/linux/immap_qe.h b/include/linux/immap_qe.h
index f7bc503..6552d0e 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_MPC832x) || defined(CONFIG_ARCH_MPC8309)
+#elif defined(CONFIG_ARCH_MPC832X) || defined(CONFIG_ARCH_MPC8309)
 #define QE_MURAM_SIZE		0x4000UL
 #define MAX_QE_RISC		1
 #define QE_NUM_OF_SNUM		28