common/board_f.c: change the macro name and remove it for PPC platforms

For most PPC platforms, they will call the first get_clocks() in
init_sequence_f[] as they define CONFIG_PPC. CONFIG_SYS_FSL_CLK is
then defined to call the second get_clocks(), which should be
redundant for PPC.

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/woodburn_common.h b/include/configs/woodburn_common.h
index e6f3e28..2acebf1 100644
--- a/include/configs/woodburn_common.h
+++ b/include/configs/woodburn_common.h
@@ -16,7 +16,7 @@
  /* High Level Configuration Options */
 #define CONFIG_MX35
 #define CONFIG_MX35_HCLK_FREQ	24000000
-#define CONFIG_FSL_CLK
+#define CONFIG_SYS_FSL_CLK
 
 #define CONFIG_SYS_DCACHE_OFF
 #define CONFIG_SYS_CACHELINE_SIZE	32