ColdFire: Fix compiling error for MCF5275

The compiling error was caused by missing a closed parentheses
in speed.c

Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>

cpu/mcf52x2/speed.c

@@ -69,7 +69,7 @@ int get_clocks (void)
 
 	/* Setup PLL */
 	pll->syncr = 0x01080000;
-	while (!(pll->synsr & FMPLL_SYNSR_LOCK)
+	while (!(pll->synsr & FMPLL_SYNSR_LOCK))
 		;
 	pll->syncr = 0x01000000;
 	while (!(pll->synsr & FMPLL_SYNSR_LOCK))