common: tsi148 - fix gcc 4.6 compiler warning

Configuring for vme8349 board...
cmd_tsi148.c: In function 'tsi148_init':
cmd_tsi148.c:56:17: warning: variable 'lastError' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

common/cmd_tsi148.c

@@ -53,7 +53,7 @@ static TSI148_DEV *dev;
 
 int tsi148_init(void)
 {
-	int j, result, lastError = 0;
+	int j, result;
 	pci_dev_t busdevfn;
 	unsigned int val;
 
@@ -69,8 +69,7 @@ int tsi148_init(void)
 	dev = malloc(sizeof(*dev));
 	if (NULL == dev) {
 		puts("Tsi148: No memory!\n");
-		result = -1;
-		goto break_20;
+		return -1;
 	}
 
 	memset(dev, 0, sizeof(*dev));
@@ -139,8 +138,6 @@ int tsi148_init(void)
  break_30:
 	free(dev);
 	dev = NULL;
- break_20:
-	lastError = result;
 
 	return result;
 }