ppc: mpc83xx: Remove unused CONFIG symbols

Neither of these symbols are referenced anywhere else, so remove them.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S
index 91c8778..0944d19 100644
--- a/arch/powerpc/cpu/mpc83xx/start.S
+++ b/arch/powerpc/cpu/mpc83xx/start.S
@@ -14,8 +14,6 @@
 #include <config.h>
 #include <mpc83xx.h>
 
-#define CONFIG_83XX	1		/* needed for Linux kernel header files*/
-
 #include <ppc_asm.tmpl>
 #include <ppc_defs.h>
 
diff --git a/include/configs/km/km-mpc832x.h b/include/configs/km/km-mpc832x.h
index 54018da..aac1e99 100644
--- a/include/configs/km/km-mpc832x.h
+++ b/include/configs/km/km-mpc832x.h
@@ -1,9 +1,4 @@
 /*
- * High Level Configuration Options
- */
-#define CONFIG_KM8321	/* Keymile PBEC8321 board specific */
-
-/*
  * System IO Config
  */
 #define CONFIG_SYS_SICRL	SICRL_IRQ_CKS