Enable CONFIG_BLK and CONFIG_DM_MMC to Kconfig

This enables the folowing to Kconfig:
	CONFIG_BLK
	CONFIG_DM_MMC

Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/configs/ls1043ardb_sdcard_defconfig b/configs/ls1043ardb_sdcard_defconfig
index b44c35d..9543800 100644
--- a/configs/ls1043ardb_sdcard_defconfig
+++ b/configs/ls1043ardb_sdcard_defconfig
@@ -58,3 +58,5 @@
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
+CONFIG_BLK=y
+CONFIG_DM_MMC=y