zynqmp: Add support for generic_delay_timer

Initialize the generic_delay_timer in the zynqmp port.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>

plat/xilinx/zynqmp/aarch64/zynqmp_common.c

@@ -29,6 +29,7 @@
  */
 
 #include <debug.h>
+#include <generic_delay_timer.h>
 #include <mmio.h>
 #include <platform.h>
 #include <xlat_tables.h>
@@ -289,6 +290,8 @@ void zynqmp_config_setup(void)
 	/* Program freq register in System counter and enable system counter. */
 	mmio_write_32(IOU_SCNTRS_BASEFREQ, zynqmp_get_system_timer_freq());
 	mmio_write_32(IOU_SCNTRS_CONTROL, IOU_SCNTRS_CONTROL_EN);
+
+	generic_delay_timer_init();
 }
 
 unsigned int plat_get_syscnt_freq2(void)

plat/xilinx/zynqmp/platform.mk

@@ -64,6 +64,8 @@ PLAT_INCLUDES		:=	-Iinclude/plat/arm/common/			\
 
 PLAT_BL_COMMON_SOURCES	:=	lib/xlat_tables/xlat_tables_common.c		\
 				lib/xlat_tables/aarch64/xlat_tables.c		\
+				drivers/delay_timer/delay_timer.c		\
+				drivers/delay_timer/generic_delay_timer.c	\
 				drivers/arm/gic/common/gic_common.c		\
 				drivers/arm/gic/v2/gicv2_main.c			\
 				drivers/arm/gic/v2/gicv2_helpers.c		\