[Feature][T8TSK-21][log]Map logs to EMMC.  And change the syslog size to 10M per file

Change-Id: Ia4c8d5493a361b5abc0543beefba64af1a13b779
diff --git a/meta/meta-mediatek-ivt/recipes-core/busybox/busybox/ring_buf.patch b/meta/meta-mediatek-ivt/recipes-core/busybox/busybox/ring_buf.patch
index bb41e9a..76c6618 100755
--- a/meta/meta-mediatek-ivt/recipes-core/busybox/busybox/ring_buf.patch
+++ b/meta/meta-mediatek-ivt/recipes-core/busybox/busybox/ring_buf.patch
@@ -15,9 +15,9 @@
  	//umask(0); - why??
  	write_pidfile(CONFIG_PID_FILE_PATH "/syslogd.pid");
  
-+	G.logFileSize = 60*1024*1024;
-+	G.logFileRotate = 0;
++	G.logFileSize = 10*1024*1024;
++	G.logFileRotate = 10;
 +	
  	do_syslogd();
  	/* return EXIT_SUCCESS; */
- }
\ No newline at end of file
+ }
diff --git a/meta/meta-mediatek-mt2735/recipes-core/initial/files/init_mount_nand b/meta/meta-mediatek-mt2735/recipes-core/initial/files/init_mount_nand
index 812850b..a5627f4 100755
--- a/meta/meta-mediatek-mt2735/recipes-core/initial/files/init_mount_nand
+++ b/meta/meta-mediatek-mt2735/recipes-core/initial/files/init_mount_nand
@@ -97,21 +97,22 @@
 
 init_log() {
 	mnt_folder log /log
-	if [ -e /dev/mmcblk1p1 ]; then
-		if [ ! -e /run/media/mmcblk1p1 ]; then
-			mkdir -p /run/media/mmcblk1p1
-		fi
-		mount -t exfat /dev/mmcblk1p1 /run/media/mmcblk1p1
-		rm -rf /var/log
-		ln -sf /run/media/mmcblk1p1 /var/log
+	if [ -e /dev/mmcblk0 ]; then
+       	#mkfs -t ext4 /dev/mmcblk0
+       	if [ -e /media ]; then
+        	mount -t ext4 /dev/mmcblk0 /media
+        	mount --bind /media /var/log
+        else
+            mount -t ext4 /dev/mmcblk0 /var/log    
+        fi
 	else
-		allink=`ls -al /var | grep 'log ->' 2>&1`
+		#allink=`ls -al /var | grep 'log ->' 2>&1`
 		if [ ! "$allink" == "" ]; then
 			#echo "=== /var/log is already link, unlink it ===" > /dev/kmsg
 			unlink /var/log
 			mkdir /var/log
 		fi
-		mnt_bind_folder /log /var/log
+		#mnt_bind_folder /log /var/log
 	fi
 
 	# link /var/log --> /data/local for MET