ata: Migrate CONFIG_DWC_AHSATA to Kconfig

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
diff --git a/configs/novena_defconfig b/configs/novena_defconfig
index 3084fef..1a69e49 100644
--- a/configs/novena_defconfig
+++ b/configs/novena_defconfig
@@ -36,6 +36,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_PARTITION_UUIDS is not set
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_DWC_AHSATA=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y