rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index bc9335a..66a7737 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -629,14 +629,14 @@
 #if defined(CONFIG_BOARD_RESET)
 	board_reset();
 #else
-#if defined(CFG_4xx_RESET_TYPE)
-	mtspr(dbcr0, CFG_4xx_RESET_TYPE << 28);
+#if defined(CONFIG_SYS_4xx_RESET_TYPE)
+	mtspr(dbcr0, CONFIG_SYS_4xx_RESET_TYPE << 28);
 #else
 	/*
 	 * Initiate system reset in debug control register DBCR
 	 */
 	mtspr(dbcr0, 0x30000000);
-#endif /* defined(CFG_4xx_RESET_TYPE) */
+#endif /* defined(CONFIG_SYS_4xx_RESET_TYPE) */
 #endif /* defined(CONFIG_BOARD_RESET) */
 
 	return 1;