The function was removed half a year ago, so this declaration can go,
too.
Fixes: 51ced59cc02e0d ("mmc: sdhci-pci: Use ACPI DSM to get driver strength for some Intel devices") Signed-off-by: Wolfram Sang <[email protected]> Acked-by: Adrian Hunter <[email protected]> Signed-off-by: Ulf Hansson <[email protected]>