dt-bindings: mmc: Remove redundant sdhci.txt

The properties in sdhci.txt are documented in sdhci-common.yaml, too.
Remove the txt binding.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250320211922.1135669-1-robh@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/Documentation/devicetree/bindings/mmc/sdhci.txt b/Documentation/devicetree/bindings/mmc/sdhci.txt
deleted file mode 100644 (file)
index 0e9923a..0000000
--- a/Documentation/devicetree/bindings/mmc/sdhci.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-The properties specific for SD host controllers. For properties shared by MMC
-host controllers refer to the mmc[1] bindings.
-
-  [1] Documentation/devicetree/bindings/mmc/mmc.txt
-
-Optional properties:
-- sdhci-caps-mask: The sdhci capabilities register is incorrect. This 64bit
-  property corresponds to the bits in the sdhci capability register. If the bit
-  is on in the mask then the bit is incorrect in the register and should be
-  turned off, before applying sdhci-caps.
-- sdhci-caps: The sdhci capabilities register is incorrect. This 64bit
-  property corresponds to the bits in the sdhci capability register. If the
-  bit is on in the property then the bit should be turned on.