microblaze: Remove additional compatible properties

Device-tree BSP generates longer compatible properties
that's why we can remove extra/old one.

Signed-off-by: Michal Simek <[e-mail]>

arch/microblaze/kernel/heartbeat.c

···
 	int j;
 	const char * const gpio_list[] = {
 		"xlnx,xps-gpio-1.00.a",
-		"xlnx,opb-gpio-1.00.a",
 		NULL
 	};
 

arch/microblaze/kernel/intc.c

···
 #endif
 	const char * const intc_list[] = {
 				"xlnx,xps-intc-1.00.a",
-				"xlnx,opb-intc-1.00.c",
-				"xlnx,opb-intc-1.00.b",
-				"xlnx,opb-intc-1.00.a",
 				NULL
 			};
 

arch/microblaze/kernel/timer.c

···
 #endif
 	const char * const timer_list[] = {
 		"xlnx,xps-timer-1.00.a",
-		"xlnx,opb-timer-1.00.b",
-		"xlnx,opb-timer-1.00.a",
 		NULL
 	};
 

arch/microblaze/platform/platform.c

···
 
 static struct of_device_id xilinx_of_bus_ids[] __initdata = {
 	{ .compatible = "simple-bus", },
-	{ .compatible = "xlnx,plb-v46-1.00.a", },
-	{ .compatible = "xlnx,opb-v20-1.10.c", },
-	{ .compatible = "xlnx,opb-v20-1.10.b", },
 	{ .compatible = "xlnx,compound", },
 	{}
 };