gpio: imx_rgpio2p: Move 8ulp_data to data section

have_dual_base is set to false, so the 8ulp_data will be put in BSS
section which conflicts with the area of u-boot.dtb which padded just
after u-boot-nodtb.bin. So move 8ulp_data to data section to avoid
its content being corrupted by dtb.

Fixes: 51cfa66f2c ("gpio: imx_rgpio2p: support one address")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
(cherry picked from commit 4af5084a3b)

drivers/gpio/imx_rgpio2p.c

@@ -231,7 +231,7 @@ static struct imx_rgpio2p_soc_data imx7ulp_data = {
 	.have_dual_base = true,
 };
 
-static struct imx_rgpio2p_soc_data imx8ulp_data = {
+static struct imx_rgpio2p_soc_data imx8ulp_data __section(".data") = {
 	.have_dual_base = false,
 };