drivers/crypto/fsl: fix "era" property value on LE platforms

Use fdt_setprop_u32() instead of fdt_setprop().

Fixes: 0181937fa3 ("crypto/fsl: Add fixup for crypto node")
Signed-off-by: Horia Geantă <horia.geanta@freescale.com>
Reviewed-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Acked-by: Ruchika Gupta<ruchika.gupta@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

drivers/crypto/fsl/sec.c

@@ -155,8 +155,7 @@ static void fdt_fixup_crypto_era(void *blob, u32 era)
 		return;
 	}
 
-	err = fdt_setprop(blob, crypto_node, "fsl,sec-era", &era,
-			  sizeof(era));
+	err = fdt_setprop_u32(blob, crypto_node, "fsl,sec-era", era);
 	if (err < 0) {
 		printf("ERROR: could not set fsl,sec-era property: %s\n",
 		       fdt_strerror(err));