powerpc: wii_defconfig: Enable Wii SDHCI driver

This allows access to the SD card and the BCM4318 Wifi module.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/configs/wii_defconfig

@@ -93,6 +93,8 @@ CONFIG_HID_APPLE=m
 CONFIG_HID_WACOM=m
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_SDHCI_OF_HLWD=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y