ARM: exynos: remove the unused code

"mmc boot" command didn't use anywhere.
It can be replace "mmc dev" command.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

include/configs/s5pc210_universal.h

@@ -111,12 +111,9 @@
 		"onenand write 0x41008000 0xc00000 0x500000\0" \
 	"bootk=" \
 		"run loaduimage; bootm 0x40007FC0\0" \
-	"updatemmc=" \
-		"mmc boot 0 1 1 1; mmc write 0 0x42008000 0 0x200;" \
-		"mmc boot 0 1 1 0\0" \
 	"updatebackup=" \
-		"mmc boot 0 1 1 2; mmc write 0 0x42100000 0 0x200;" \
-		"mmc boot 0 1 1 0\0" \
+		"mmc dev 0 2; mmc write 0 0x42100000 0 0x200;" \
+		"mmc dev 0 0\0" \
 	"updatebootb=" \
 		"mmc read 0 0x42100000 0x80 0x200; run updatebackup\0" \
 	"lpj=lpj=3981312\0" \

include/configs/trats.h

@@ -121,12 +121,9 @@
 			"bootm 0x40007FC0 - ${fdtaddr};" \
 		"fi;" \
 		"bootm 0x40007FC0;\0" \
-	"updatemmc=" \
-		"mmc boot 0 1 1 1; mmc write 0 0x42008000 0 0x200;" \
-		"mmc boot 0 1 1 0\0" \
 	"updatebackup=" \
-		"mmc boot 0 1 1 2; mmc write 0 0x42100000 0 0x200;" \
-		"mmc boot 0 1 1 0\0" \
+		"mmc dev 0 2; mmc write 0 0x42100000 0 0x200;" \
+		"mmc dev 0 0\0" \
 	"updatebootb=" \
 		"mmc read 0 0x42100000 0x80 0x200; run updatebackup\0" \
 	"lpj=lpj=3981312\0" \

include/configs/trats2.h

@@ -111,16 +111,11 @@
 			"bootm 0x40007FC0 - ${fdtaddr};" \
 		"fi;" \
 		"bootm 0x40007FC0;\0" \
-	"updatemmc=" \
-		"mmc boot 0 1 1 1; mmc write 0x42008000 0 0x200;" \
-		"mmc boot 0 1 1 0\0" \
 	"updatebackup=" \
-		"mmc boot 0 1 1 2; mmc write 0x42100000 0 0x200;" \
-		" mmc boot 0 1 1 0\0" \
+		"mmc dev 0 2; mmc write 0x51000000 0 0x800;" \
+		" mmc dev 0 0\0" \
 	"updatebootb=" \
-		"mmc read 0x51000000 0x80 0x200; run updatebackup\0" \
-	"updateuboot=" \
-		"mmc write 0x50000000 0x80 0x400\0" \
+		"mmc read 0x51000000 0x80 0x800; run updatebackup\0" \
 	"mmcboot=" \
 		"setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \
 		"${lpj} rootwait ${console} ${meminfo} ${opts} ${lcdinfo}; " \