nds32: Fix the items of hwcap_str ordering issue.

The hwcap_str should be set in a correct order according to HWCAP_xx.
We also add the missing "fpu_dp" to it.
Signed-off-by: Nylon Chen <nylon7@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>

arch/nds32/kernel/setup.c

@@ -72,8 +72,9 @@ static const char *hwcap_str[] = {
 	"div",
 	"mac",
 	"l2c",
-	"dx_regs",
+	"fpu_dp",
 	"v2",
+	"dx_regs",
 	NULL,
 };