mpc83xx: Introduce ARCH_MPC836*

Replace CONFIG_MPC836* with proper CONFIG_ARCH_MPC836* 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 6552d0e..022771f 100644
--- a/include/linux/immap_qe.h
+++ b/include/linux/immap_qe.h
@@ -12,7 +12,7 @@
 #define __IMMAP_QE_H__
 
 #ifdef CONFIG_MPC83xx
-#if defined(CONFIG_MPC8360)
+#if defined(CONFIG_ARCH_MPC8360)
 #define QE_MURAM_SIZE		0xc000UL
 #define MAX_QE_RISC		2
 #define QE_NUM_OF_SNUM		28