[source] at91: Enable SDHCI for sama5 in default config

[LEDE Commits]

hauke pushed a commit to source.git, branch master:
https://git.lede-project.org/43a0b72c3cb5d67169b4046b71a6bede0c83e0f4

commit 43a0b72c3cb5d67169b4046b71a6bede0c83e0f4
Author: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun at microchip.com>
AuthorDate: Fri Oct 13 10:21:50 2017 -0700

    at91: Enable SDHCI for sama5 in default config
    
    Enabled SDHCI for sama5 in kernel default config and this is needed
    to mount sdcard rootfs partition during boot.
    
    Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun at microchip.com>
---
 target/linux/at91/sama5/config-default | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/linux/at91/sama5/config-default b/target/linux/at91/sama5/config-default
index aeb0b3c..032a0cb 100644
--- a/target/linux/at91/sama5/config-default
+++ b/target/linux/at91/sama5/config-default
@@ -28,6 +28,10 @@ CONFIG_HAVE_AT91_H32MX=y
 CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_HAVE_SMP=y
 CONFIG_MIGHT_HAVE_CACHE_L2X0=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_IO_ACCESSORS=y
+CONFIG_MMC_SDHCI_OF_AT91=y
+CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_OUTER_CACHE=y
 CONFIG_OUTER_CACHE_SYNC=y
 CONFIG_PINCTRL_AT91PIO4=y