x86: Align the SMBIOS table to a 4K boundary

This isn't strictly needed, but with UPL we use the reserved-memory
nodes to indicate where the SMBIOS table is. Tianocore requires 4KB
alignment on these regions, so it is easier to adjust the alignment
to match.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/x86/lib/tables.c

@@ -63,7 +63,11 @@ static struct table_info table_list[] = {
 	{ "acpi", write_acpi_tables, BLOBLISTT_ACPI_TABLES, SZ_64K, SZ_4K},
 #endif
 #ifdef CONFIG_GENERATE_SMBIOS_TABLE
-	{ "smbios", write_smbios_table, BLOBLISTT_SMBIOS_TABLES, SZ_4K, SZ_256},
+	/*
+	 * align this to a 4K boundary, since UPL adds a reserved-memory node
+	 * for it
+	 */
+	{ "smbios", write_smbios_table, BLOBLISTT_SMBIOS_TABLES, SZ_4K, SZ_4K},
 #endif
 };