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/ls2085aqds.h b/include/configs/ls2085aqds.h
index 4cfcf98..406d0e6 100644
--- a/include/configs/ls2085aqds.h
+++ b/include/configs/ls2085aqds.h
@@ -16,7 +16,7 @@
 unsigned long get_board_ddr_clk(void);
 #endif
 
-#define CONFIG_FSL_CLK
+#define CONFIG_SYS_FSL_CLK
 #define CONFIG_SYS_CLK_FREQ		get_board_sys_clk()
 #define CONFIG_DDR_CLK_FREQ		get_board_ddr_clk()
 #define COUNTER_FREQUENCY_REAL		(CONFIG_SYS_CLK_FREQ/4)