Changed CFG_CLK to gd->bus_clk for CFG_TIMER_PRESCALER. Added DECLARE_GLOBAL_DATA_PTR for time.c

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
diff --git a/include/asm-m68k/immap.h b/include/asm-m68k/immap.h
index 4e238c3..7c267af 100644
--- a/include/asm-m68k/immap.h
+++ b/include/asm-m68k/immap.h
@@ -41,7 +41,7 @@
 #define CFG_TMRINTR_NO		(INT0_HI_DTMR1)
 #define CFG_TMRINTR_MASK	(INTC_IPRH_INT33)
 #define CFG_TMRINTR_PRI		(6)
-#define CFG_TIMER_PRESCALER	(((CFG_CLK / 1000000) - 1) << 8)
+#define CFG_TIMER_PRESCALER	(((gd->bus_clk / 1000000) - 1) << 8)
 #endif
 
 #ifdef CONFIG_MCFPIT
diff --git a/lib_m68k/time.c b/lib_m68k/time.c
index 267a3cd..3dbce07 100644
--- a/lib_m68k/time.c
+++ b/lib_m68k/time.c
@@ -48,6 +48,8 @@
 #include <asm/immap_5249.h>
 #endif
 
+DECLARE_GLOBAL_DATA_PTR;
+
 static ulong timestamp;
 #if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 static unsigned short lastinc;