smbios: add parsing API

Add a very simple API to be able to access SMBIOS strings
like vendor, model and bios version.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index 79651ea..5f1b95d 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -680,6 +680,11 @@
 	help
 	  Enable fast lookup object identifier registry.
 
+config SMBIOS_PARSER
+	bool "SMBIOS parser"
+	help
+	  A simple parser for SMBIOS data.
+
 source lib/efi/Kconfig
 source lib/efi_loader/Kconfig
 source lib/optee/Kconfig