spi: nxp-fspi: make const array ls1028a_soc_attr static

Don't populate the const array ls1028a_soc_attr on the stack, instead
make it static. Also makes the object code smaller.
Signed-off-by: NColin Ian King <colin.i.king@gmail.com>
Acked-by: NHan Xu <han.xu@nxp.com>
Link: https://lore.kernel.org/r/20221102152904.143423-1-colin.i.king@gmail.comSigned-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/spi-nxp-fspi.c

@@ -924,7 +924,7 @@ static int nxp_fspi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)
 
 static void erratum_err050568(struct nxp_fspi *f)
 {
-	const struct soc_device_attribute ls1028a_soc_attr[] = {
+	static const struct soc_device_attribute ls1028a_soc_attr[] = {
 		{ .family = "QorIQ LS1028A" },
 		{ /* sentinel */ }
 	};