smbios: Add more properties

The current tables only support a subset of the available fields defined
by the SMBIOS spec. Add a few more.

We could use CONFIG_SYS_CPU or CONFIG_SYS_SOC as a default for family, but
the meaning of that value relates more to the whole system rather than
just the SoC.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/lib/smbios.c b/lib/smbios.c
index 3f9d2ec..a52a9d5 100644
--- a/lib/smbios.c
+++ b/lib/smbios.c
@@ -173,12 +173,15 @@
 						  CONFIG_SMBIOS_MANUFACTURER);
 	t->product_name = smbios_add_prop_default(t->eos, node, "product",
 						  CONFIG_SMBIOS_PRODUCT_NAME);
+	t->version = smbios_add_prop(t->eos, node, "version");
 	if (serial_str) {
 		t->serial_number = smbios_add_string(t->eos, serial_str);
 		strncpy((char *)t->uuid, serial_str, sizeof(t->uuid));
 	} else {
 		t->serial_number = smbios_add_prop(t->eos, node, "serial");
 	}
+	t->sku_number = smbios_add_prop(t->eos, node, "sku");
+	t->family = smbios_add_prop(t->eos, node, "family");
 
 	len = t->length + smbios_string_table_len(t->eos);
 	*current += len;
@@ -199,6 +202,7 @@
 						  CONFIG_SMBIOS_MANUFACTURER);
 	t->product_name = smbios_add_prop_default(t->eos, node, "product",
 						  CONFIG_SMBIOS_PRODUCT_NAME);
+	t->asset_tag_number = smbios_add_prop(t->eos, node, "asset-tag");
 	t->feature_flags = SMBIOS_BOARD_FEATURE_HOSTING;
 	t->board_type = SMBIOS_BOARD_MOTHERBOARD;