plat: imx: add sdei support for i.MX8MM

Add sdei support for i.MX8MM, this is to let jailhouse Hypervisor
could use SDEI to do hypervisor management, after physical IRQ
has been disabled routing.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Change-Id: I5fd697fee22df151e13d0f1335e8ac8a7bae6189
diff --git a/plat/imx/common/plat_imx8_gic.c b/plat/imx/common/plat_imx8_gic.c
index afb9d1f..150e81e 100644
--- a/plat/imx/common/plat_imx8_gic.c
+++ b/plat/imx/common/plat_imx8_gic.c
@@ -22,6 +22,10 @@
 static const interrupt_prop_t g01s_interrupt_props[] = {
 	INTR_PROP_DESC(8, GIC_HIGHEST_SEC_PRIORITY,
 		       INTR_GROUP0, GIC_INTR_CFG_LEVEL),
+#if SDEI_SUPPORT
+	INTR_PROP_DESC(PLAT_SDEI_SGI_PRIVATE, PLAT_SDEI_NORMAL_PRI,
+		       INTR_GROUP0, GIC_INTR_CFG_LEVEL),
+#endif
 };
 
 static unsigned int plat_imx_mpidr_to_core_pos(unsigned long mpidr)