configs: enable eSDHC device module for P5040DS board

Enable eSDHC device module for P5040DS board

Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/P5040DS_SDCARD_defconfig b/configs/P5040DS_SDCARD_defconfig
index 711d972..349f7f0 100644
--- a/configs/P5040DS_SDCARD_defconfig
+++ b/configs/P5040DS_SDCARD_defconfig
@@ -56,3 +56,4 @@
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
+CONFIG_DM_MMC=y