Fix GCC format-security errors and convert sprintfs.

With format-security errors turned on, GCC picks up the use of sprintf with
a format parameter not being a string literal.

Simple uses of sprintf are also converted to use strcpy.

Signed-off-by: Ben Whitten <ben.whitten@gmail.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/b4860qds/eth_b4860qds.c b/board/freescale/b4860qds/eth_b4860qds.c
index df90476..4b2303e 100644
--- a/board/freescale/b4860qds/eth_b4860qds.c
+++ b/board/freescale/b4860qds/eth_b4860qds.c
@@ -408,22 +408,22 @@
 				    sizeof(f_link));
 			break;
 		case 0x98: /* XAUI interface */
-			sprintf(alias, "phy_xaui_slot1");
+			strcpy(alias, "phy_xaui_slot1");
 			fdt_status_okay_by_alias(fdt, alias);
 
-			sprintf(alias, "phy_xaui_slot2");
+			strcpy(alias, "phy_xaui_slot2");
 			fdt_status_okay_by_alias(fdt, alias);
 			break;
 		case 0x9e: /* XAUI interface */
 		case 0x9a:
 		case 0x93:
 		case 0x91:
-			sprintf(alias, "phy_xaui_slot1");
+			strcpy(alias, "phy_xaui_slot1");
 			fdt_status_okay_by_alias(fdt, alias);
 			break;
 		case 0x97: /* XAUI interface */
 		case 0xc3:
-			sprintf(alias, "phy_xaui_slot2");
+			strcpy(alias, "phy_xaui_slot2");
 			fdt_status_okay_by_alias(fdt, alias);
 			break;
 		default: