plat: intel: Additional instruction required to enable global timer

There are additional instruction needed to enable the global timer.
This fixes the global timer initialization
Signed-off-by: Tien Hock Loh <tien.hock.loh@intel.com>
Change-Id: Idaf2d23359aacc417e2b7d8cdf1688b5cd17ca98

plat/intel/soc/common/socfpga_delay_timer.c

@@ -36,4 +36,8 @@ void socfpga_delay_timer_init(void)
 {
 	timer_init(&plat_timer_ops);
 	mmio_write_32(SOCFPGA_GLOBAL_TIMER, SOCFPGA_GLOBAL_TIMER_EN);
+
+	asm volatile("msr cntp_ctl_el0, %0" : : "r" (SOCFPGA_GLOBAL_TIMER_EN));
+	asm volatile("msr cntp_tval_el0, %0" : : "r" (~0));
+
 }