Add tty1 console, nicer PS1, ntpd.

board/raspi/boot/cmdline.txt

-console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootwait
+console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootwait

board/raspi/rootfs_overlay/etc/profile

+export PATH=/bin:/sbin:/usr/bin:/usr/sbin
+
+if [ "$PS1" ]; then
+	if [ "`id -u`" -eq 0 ]; then
+		export PS1='\e[0;31m[\u@\h:\w]# \e[m'
+	else
+		export PS1='\e[0;34m[\u@\h:\w]$ \e[m'
+	fi
+fi
+
+export PAGER='/bin/more '
+export EDITOR='/bin/vi'
+
+# Source configuration files from /etc/profile.d
+for i in /etc/profile.d/*.sh ; do
+	if [ -r "$i" ]; then
+		. $i
+	fi
+	unset i
+done

configs/raspi_defconfig

 BR2_TARGET_GENERIC_ROOT_PASSWD="camcorder"
 BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
 BR2_SYSTEM_DHCP="eth0"
+BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL)/board/raspi/rootfs_overlay"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL)/board/raspi/post_image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_GIT=y
 BR2_PACKAGE_RPI_FIRMWARE=y
 # BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS is not set
 BR2_PACKAGE_DROPBEAR=y
+BR2_PACKAGE_NTP=y