Rename SC520 Configuration Options

Options are now all uniformly CONFIG_SYS_SC520_<option>

Signed-off-by: Graeme Russ <graeme.russ at gmail.com>
diff --git a/include/configs/sc520_spunk.h b/include/configs/sc520_spunk.h
index 50af732..3e86184 100644
--- a/include/configs/sc520_spunk.h
+++ b/include/configs/sc520_spunk.h
@@ -34,7 +34,7 @@
  */
 
 #define CONFIG_X86		1	/* This is a X86 CPU		*/
-#define CONFIG_SC520		1	/* Include support for AMD SC520 */
+#define CONFIG_SYS_SC520	1	/* Include support for AMD SC520 */
 
 #define CONFIG_SYS_SDRAM_PRECHARGE_DELAY 6     /* 6T */
 #define CONFIG_SYS_SDRAM_REFRESH_RATE    78    /* 7.8uS (choices are 7.8, 15.6, 31.2 or 62.5uS) */
@@ -45,10 +45,10 @@
 #define CONFIG_SYS_SDRAM_CAS_LATENCY_3T
 
 #define CONFIG_SYS_SC520_HIGH_SPEED    0       /* 100 or 133MHz */
-#undef  CONFIG_SYS_RESET_SC520                 /* use SC520 MMCR's to reset cpu */
-#undef  CONFIG_SYS_TIMER_SC520                 /* use SC520 swtimers */
-#define CONFIG_SYS_TIMER_GENERIC       1       /* use the i8254 PIT timers */
-#undef  CONFIG_SYS_TIMER_TSC                   /* use the Pentium TSC timers */
+#undef  CONFIG_SYS_SC520_RESET                 /* use SC520 MMCR's to reset cpu */
+#undef  CONFIG_SYS_SC520_TIMER                 /* use SC520 swtimers */
+#define CONFIG_SYS_GENERIC_TIMER       1       /* use the i8254 PIT timers */
+#undef  CONFIG_SYS_TSC_TIMER                   /* use the Pentium TSC timers */
 
 #define CONFIG_SYS_STACK_SIZE          0x8000  /* Size of bootloader stack */