lx2160a : Add emmc in boot_targets environment variable

Add emmc in supported boot_targets and
Add bootcmd environment variable for emmc boot.

Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/include/configs/lx2160a_common.h b/include/configs/lx2160a_common.h
index 373daeb..fe0db77 100644
--- a/include/configs/lx2160a_common.h
+++ b/include/configs/lx2160a_common.h
@@ -266,9 +266,20 @@
 		"run distro_bootcmd;run sd_bootcmd;"		\
 		"env exists secureboot && esbc_halt;"
 
+#define SD2_BOOTCOMMAND						\
+		"env exists mcinitcmd && mmcinfo; "		\
+		"mmc read 0x80d00000 0x6800 0x800; "		\
+		"env exists mcinitcmd && env exists secureboot "	\
+		" && mmc read 0x80780000 0x3C00 0x20 "		\
+		"&& esbc_validate 0x80780000;env exists mcinitcmd "	\
+		"&& fsl_mc lazyapply dpl 0x80d00000;"		\
+		"run distro_bootcmd;run sd2_bootcmd;"		\
+		"env exists secureboot && esbc_halt;"
+
 #define BOOT_TARGET_DEVICES(func) \
 	func(USB, usb, 0) \
 	func(MMC, mmc, 0) \
+	func(MMC, mmc, 1) \
 	func(SCSI, scsi, 0)
 #include <config_distro_bootcmd.h>