powerpc: MPC8544DS: Remove macro CONFIG_MPC8544DS

Use CONFIG_TARGET_MPC8544DS instead.
Signed-off-by: NYork Sun <york.sun@nxp.com>

board/freescale/common/pixis.h

@@ -46,7 +46,7 @@ typedef struct pixis {
 	u8 res2[4];
 } __attribute__ ((packed)) pixis_t;
 
-#elif defined(CONFIG_MPC8544DS)
+#elif defined(CONFIG_TARGET_MPC8544DS)
 typedef struct pixis {
 	u8 id;
 	u8 ver;

include/configs/MPC8544DS.h

@@ -14,7 +14,6 @@
 /* High Level Configuration Options */
 #define CONFIG_BOOKE		1	/* BOOKE */
 #define CONFIG_E500		1	/* BOOKE e500 family */
-#define CONFIG_MPC8544DS	1
 
 #ifndef CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_TEXT_BASE	0xfff80000

scripts/config_whitelist.txt

@@ -3151,7 +3151,6 @@ CONFIG_MPC8540
 CONFIG_MPC8540ADS
 CONFIG_MPC8541
 CONFIG_MPC8541CDS
-CONFIG_MPC8544DS
 CONFIG_MPC855
 CONFIG_MPC8555
 CONFIG_MPC8555CDS