dt-bindings: power: imx8mp: add defines for HSIO blk-ctrl domains

This adds the defines for the power domains provided by the HSIO
blk-ctrl on the i.MX8MP.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

include/dt-bindings/power/imx8mp-power.h

@@ -26,4 +26,10 @@
 #define IMX8MP_POWER_DOMAIN_HSIOMIX			17
 #define IMX8MP_POWER_DOMAIN_MEDIAMIX_ISPDWP		18
 
+#define IMX8MP_HSIOBLK_PD_USB				0
+#define IMX8MP_HSIOBLK_PD_USB_PHY1			1
+#define IMX8MP_HSIOBLK_PD_USB_PHY2			2
+#define IMX8MP_HSIOBLK_PD_PCIE				3
+#define IMX8MP_HSIOBLK_PD_PCIE_PHY			4
+
 #endif