xilinx: common: Add function to print SoC info

Add print_cpuinfo() to print SoC info like family & revision.
This function depends on CONFIG_DISPLAY_CPUINFO config.
Signed-off-by: NT Karthik Reddy <t.karthik.reddy@xilinx.com>
Reviewed-by: NAshok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

board/xilinx/common/board.c

@@ -18,6 +18,7 @@
 #include <i2c_eeprom.h>
 #include <net.h>
 #include <generated/dt.h>
+#include <soc.h>
 
 #include "fru.h"
 
@@ -440,3 +441,28 @@ int __maybe_unused board_fit_config_name_match(const char *name)
 
 	return -1;
 }
+
+#if defined(CONFIG_DISPLAY_CPUINFO) && !defined(CONFIG_ARCH_ZYNQ)
+int print_cpuinfo(void)
+{
+	struct udevice *soc;
+	char name[SOC_MAX_STR_SIZE];
+	int ret;
+
+	ret = soc_get(&soc);
+	if (ret) {
+		printf("CPU:   UNKNOWN\n");
+		return 0;
+	}
+
+	ret = soc_get_family(soc, name, SOC_MAX_STR_SIZE);
+	if (ret)
+		printf("CPU:   %s\n", name);
+
+	ret = soc_get_revision(soc, name, SOC_MAX_STR_SIZE);
+	if (ret)
+		printf("Silicon: %s\n", name);
+
+	return 0;
+}
+#endif