northbridge/intel/i3100/raminit.c: Uninitialized variable

Spotted by Clang

Change-Id: If524a5cd984602a332c4ca28a8167a3597206b94
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5844
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/northbridge/intel/i3100/raminit.c

@@ -634,7 +634,7 @@ static void set_on_dimm_termination_enable(const struct mem_controller *ctrl)
 {
 	u8 c1,c2;
 	u32 dimm,i;
-	u32 data32;
+	u32 data32 = 0;
 	u32 t4;
 
 	/* Set up northbridge values */

src/northbridge/intel/i3100/raminit_ep80579.c

@@ -503,8 +503,8 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl)
 static void set_on_dimm_termination_enable(const struct mem_controller *ctrl)
 {
 	u8 c1,c2;
-        u32 dimm,i;
-        u32 data32;
+	u32 dimm, i;
+	u32 data32 = 0;
 	u32 t4;
 
 	/* Set up northbridge values */