tweak kernel-config/config.txt and add nano dep

Author: bytes-crafter

overlay-rpi4/chromeos-base/chromeos-bsp-rpi4/files/kernel-config/config.txt

@@ -1,3 +1,19 @@
+# Chromium OS for Raspberry Pi
+# Copyright (c) 2021 Fyde Innovations. All rights reserved.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# The Raspberry Pi uses a configuration file instead of the BIOS you would expect
+# to find on a conventional PC. The system configuration parameters, which would
+# traditionally be edited and stored using a BIOS, are stored instead in this
+# optional text file. This is read by the GPU before the ARM CPU and Linux 
+# are initialised.
+# 
+# For more info: 
+# https://www.raspberrypi.com/documentation/computers/config_txt.html
+
+
 #hdmi_drive=2
 #config_hdmi_boost=7
 disable_overscan=1
@@ -6,20 +22,22 @@ cma_lwm=16
 cma_hwm=32
 gpu_mem=256
 
-# better graphic performance,but need fydeos-force-cursor-compositing in /etc/chrome_dev.conf
-dtoverlay=vc4-kms-v3d
-
-# fit for rpi3/rpi4
-#dtoverlay=vc4-fkms-v3d
-
-# for more power
-#force_turbo=1
-
-# for debug
-#enable_uart=1
-#start_debug=1
-
 arm_64bit=1
 max_framebuffers=2
 kernel=kernel8_a.img
 disable_splash=1
+
+
+# Display mode
+# Defaulting to "kms" mode for better graphics performance, it requires an optional flag
+# "fydeos-force-cursor-compositing" in /etc/chrome_dev.conf
+# Should you run into display issues, such as black-screen or GUI graphics not being able
+# to render properly, you can toggle the display mode to "fkms" to enable a compatibility
+# mode, by commenting/uncommenting the corresponding lines.
+dtoverlay=vc4-kms-v3d
+#dtoverlay=vc4-fkms-v3d
+
+
+# Uncomment the following lines to enable overclocking 
+#over_voltage=8
+#arm_freq=2147

overlay-rpi4/virtual/chromeos-bsp/chromeos-bsp-0.0.1.ebuild

@@ -16,6 +16,7 @@ RDEPEND="
   virtual/fyde-packages
   virtual/cros-camera-hal
   virtual/cros-camera-hal-configs
+  app-editors/nano
   chromeos-base/chromeos-bsp-rpi4"
 
 DEPEND="${RDEPEND}"