After the DM conversion the boot SD card is now device 3.
Adjust it so that we can boot the kernel again.
While at it avoid a hardcoded mmc dev inside the finduuid script.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
"videomode=video=ctfb:x:800,y:480,depth:24,pclk:29850,le:89,ri:164,up:23,lo:10,hs:10,vs:10,sync:0,vmode:0\0" \
- "mmcdev=2\0" \
+ "mmcdev=3\0" \
"mmcpart=1\0" \
- "finduuid=part uuid mmc 2:2 uuid\0" \
+ "finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=PARTUUID=${uuid} rootwait rw\0" \
"loadbootscript=" \