Add support for loading the boot.ini from a ext4 fs

Author: shadeslayer

common/cmd_cfgload.c

@@ -55,6 +55,12 @@ static char* read_cfgload(void)
 	sprintf(cmd, "fatload mmc 0:1 0x%p boot.ini", (void *)p);
 	run_command(cmd, 0);
 
+	sprintf(cmd, "ext4load mmc 0:1 0x%p /boot.ini", (void *)p);
+	run_command(cmd, 0);
+
+	sprintf(cmd, "ext4load mmc 0:1 0x%p /boot/boot.ini", (void *)p);
+	run_command(cmd, 0);
+
 	filesize = getenv_ulong("filesize", 16, 0);
 	if (0 == filesize) {
 		printf("cfgload: no boot.ini or empty file\n");