soc: imx: gpcv2: add GENPD_FLAG_ACTIVE_WAKEUP flag for usb of imx8mm/n

To keep the power domain on if usb remote wakeup is enabled, add the
GENPD_FLAG_ACTIVE_WAKEUP for otg1/2 of imx8mm/n.
Signed-off-by: Li Jun <jun.li@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

drivers/soc/imx/gpcv2.c

@@ -755,6 +755,7 @@ static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
 	[IMX8MM_POWER_DOMAIN_OTG1] = {
 		.genpd = {
 			.name = "usb-otg1",
+			.flags = GENPD_FLAG_ACTIVE_WAKEUP,
 		},
 		.bits  = {
 			.pxx = IMX8MM_OTG1_SW_Pxx_REQ,
@@ -766,6 +767,7 @@ static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
 	[IMX8MM_POWER_DOMAIN_OTG2] = {
 		.genpd = {
 			.name = "usb-otg2",
+			.flags = GENPD_FLAG_ACTIVE_WAKEUP,
 		},
 		.bits  = {
 			.pxx = IMX8MM_OTG2_SW_Pxx_REQ,
@@ -1232,6 +1234,7 @@ static const struct imx_pgc_domain imx8mn_pgc_domains[] = {
 	[IMX8MN_POWER_DOMAIN_OTG1] = {
 		.genpd = {
 			.name = "usb-otg1",
+			.flags = GENPD_FLAG_ACTIVE_WAKEUP,
 		},
 		.bits  = {
 			.pxx = IMX8MN_OTG1_SW_Pxx_REQ,