Fix cases where DECLARE_GLOBAL_DATA_PTR was not declared as global

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/cpu/mcf532x/speed.c b/cpu/mcf532x/speed.c
index cf72609..001b9f4 100644
--- a/cpu/mcf532x/speed.c
+++ b/cpu/mcf532x/speed.c
@@ -30,6 +30,8 @@
 
 #include <asm/immap.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /* PLL min/max specifications */
 #define MAX_FVCO	500000	/* KHz */
 #define MAX_FSYS	80000	/* KHz */
@@ -208,8 +210,6 @@
  */
 int get_clocks(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	gd->bus_clk = clock_pll(CFG_CLK / 1000, 0) * 1000;
 	gd->cpu_clk = (gd->bus_clk * 3);
 	return (0);