When booted from coreboot, U-Boot does not build the SMBIOS tables, but
it should still pass them on to the OS. Add a new option which indicates
whether SMBIOS tables are present, however they were built.

Flip the ordering so that the dependency is listed first, which is less
confusing.

Adjust GENERATE_SMBIOS_TABLE to depend on this new symbol.

Signed-off-by: Simon Glass <s...@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---

(no changes since v3)

Changes in v3:
- Allow SMBIOS if EFI_LOADER is enabled
- Reword the help

Changes in v2:
- Add new patch

 lib/Kconfig | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/Kconfig b/lib/Kconfig
index 1d63099b8e1..dac0e32649a 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -984,8 +984,8 @@ config BLOBLIST_TABLES
 
 config GENERATE_SMBIOS_TABLE
        bool "Generate an SMBIOS (System Management BIOS) table"
+       depends on SMBIOS
        default y
-       depends on X86 || EFI_LOADER
        help
          The System Management BIOS (SMBIOS) specification addresses how
          motherboard and system vendors present management information about
@@ -1054,6 +1054,19 @@ config SPL_OID_REGISTRY
          unambiguous persistent name 
(https://en.wikipedia.org/wiki/Object_identifier).
          Enable fast lookup object identifier registry in the SPL.
 
+config SMBIOS
+       bool "SMBIOS support"
+       depends on X86 || EFI_LOADER
+       default y
+       help
+         Indicates that this platform can support System Management BIOS
+         (SMBIOS) tables. These provide various pieces of information about
+         the board, such as the manufacturer and the model name.
+
+         See GENERATE_SMBIOS_TABLE which controls whether U-Boot actually
+         creates these tables, rather than them coming from a previous firmware
+         stage.
+
 config SMBIOS_PARSER
        bool "SMBIOS parser"
        help
-- 
2.42.0.rc1.204.g551eb34607-goog

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