ata: Migrate CONFIG_DWC_AHSATA to Kconfig

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
diff --git a/configs/ot1200_spl_defconfig b/configs/ot1200_spl_defconfig
index 518483c..ac96221 100644
--- a/configs/ot1200_spl_defconfig
+++ b/configs/ot1200_spl_defconfig
@@ -32,6 +32,7 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_DM=y
+CONFIG_DWC_AHSATA=y
 CONFIG_CMD_PCA953X=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y