MLK-22594 plat: imx8m: Fix the system boot hang when tee enabled

Secure EL3 interrupt can NOT be directly trapped from secure EL1,
TEE must be aware of such interrupts.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>

plat/imx/common/imx8m/dram.c

@@ -233,7 +233,6 @@ void dram_info_init(unsigned long dram_timing_base)
 	uint64_t rc;
 
 	set_interrupt_rm_flag(flags, NON_SECURE);
-	set_interrupt_rm_flag(flags, SECURE);
 	rc = register_interrupt_type_handler(INTR_TYPE_EL3, waiting_dvfs, flags);
 
 	if(rc)