mx7dsabre: Convert to distroboot support

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
diff --git a/include/configs/mx7dsabresd.h b/include/configs/mx7dsabresd.h
index f574669..b1726b1 100644
--- a/include/configs/mx7dsabresd.h
+++ b/include/configs/mx7dsabresd.h
@@ -74,76 +74,25 @@
 	"image=zImage\0" \
 	"console=ttymxc0\0" \
 	"fdt_high=0xffffffff\0" \
+	"finduuid=part uuid mmc 0:1 uuid\0" \
 	"initrd_high=0xffffffff\0" \
-	"fdt_file=imx7d-sdb.dtb\0" \
+	"fdtfile=imx7d-sdb.dtb\0" \
 	"fdt_addr=0x83000000\0" \
-	"boot_fdt=try\0" \
-	"ip_dyn=yes\0" \
+	"fdt_addr_r=0x83000000\0" \
+	"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+	"pxefile_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+	"ramdisk_addr_r=0x83000000\0" \
+	"ramdiskaddr=0x83000000\0" \
+	"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
 	"videomode=video=ctfb:x:480,y:272,depth:24,pclk:108695,le:8,ri:4,up:2,lo:4,hs:41,vs:10,sync:0,vmode:0\0" \
-	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
-	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
-	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
-	"mmcautodetect=yes\0" \
-	"mmcargs=setenv bootargs console=${console},${baudrate} " \
-		"root=${mmcroot}\0" \
-	"loadbootscript=" \
-		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
-	"bootscript=echo Running bootscript from mmc ...; " \
-		"source\0" \
-	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
-	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
-	"mmcboot=echo Booting from mmc ...; " \
-		"run mmcargs; " \
-		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
-			"if run loadfdt; then " \
-				"bootz ${loadaddr} - ${fdt_addr}; " \
-			"else " \
-				"if test ${boot_fdt} = try; then " \
-					"bootz; " \
-				"else " \
-					"echo WARN: Cannot load the DT; " \
-				"fi; " \
-			"fi; " \
-		"else " \
-			"bootz; " \
-		"fi;\0" \
-	"netargs=setenv bootargs console=${console},${baudrate} " \
-		"root=/dev/nfs " \
-	"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
-		"netboot=echo Booting from net ...; " \
-		"run netargs; " \
-		"if test ${ip_dyn} = yes; then " \
-			"setenv get_cmd dhcp; " \
-		"else " \
-			"setenv get_cmd tftp; " \
-		"fi; " \
-		"${get_cmd} ${image}; " \
-		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
-			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
-				"bootz ${loadaddr} - ${fdt_addr}; " \
-			"else " \
-				"if test ${boot_fdt} = try; then " \
-					"bootz; " \
-				"else " \
-					"echo WARN: Cannot load the DT; " \
-				"fi; " \
-			"fi; " \
-		"else " \
-			"bootz; " \
-		"fi;\0"
+	BOOTENV
 
-#define CONFIG_BOOTCOMMAND \
-	   "mmc dev ${mmcdev};" \
-	   "mmc dev ${mmcdev}; if mmc rescan; then " \
-		   "if run loadbootscript; then " \
-			   "run bootscript; " \
-		   "else " \
-			   "if run loadimage; then " \
-				   "run mmcboot; " \
-			   "else run netboot; " \
-			   "fi; " \
-		   "fi; " \
-	   "else run netboot; fi"
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(DHCP, dhcp, na) \
+	func(PXE, pxe, na)
+
+#include <config_distro_bootcmd.h>
 
 #define CONFIG_SYS_MEMTEST_START	0x80000000
 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x20000000)
@@ -187,7 +136,6 @@
 
 #define CONFIG_SYS_MMC_ENV_DEV		0   /* USDHC1 */
 #define CONFIG_SYS_MMC_ENV_PART		0	/* user area */
-#define CONFIG_MMCROOT			"/dev/mmcblk0p2"  /* USDHC1 */
 
 /* USB Configs */
 #define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)