Make config.txt more readable

rpi/rootfs/system-boot/config.txt

@@ -2,9 +2,11 @@
 kernel=vmlinuz
 cmdline=cmdline.txt
 initramfs initrd.img followkernel
+
 [pi4]
 max_framebuffers=2
 arm_boost=1
+
 [all]
 # Enable the audio output, I2C and SPI interfaces on the GPIO header. As these
 # parameters related to the base device-tree they must appear *before* any
@@ -12,25 +14,32 @@ arm_boost=1
 dtparam=audio=on
 dtparam=i2c_arm=on
 dtparam=spi=on
+
 # Comment out the following line if the edges of the desktop appear outside
 # the edges of your display
 disable_overscan=1
+
 # If you have issues with audio, you may try uncommenting the following line
 # which forces the HDMI output into HDMI mode instead of DVI (which doesn't
 # support audio output)
 hdmi_drive=2
+
 [cm4]
 # Enable the USB2 outputs on the IO board (assuming your CM4 is plugged into
 # such a board)
 dtoverlay=dwc2,dr_mode=host
+
 [all]
 # Enable the KMS ("full" KMS) graphics overlay, leaving GPU memory as the
 # default (the kernel is in control of graphics memory with full KMS)
 dtoverlay=vc4-kms-v3d
+
 # Autoload overlays for any recognized cameras or displays that are attached
 # to the CSI/DSI ports. Please note this is for libcamera support, *not* for
 # the legacy camera stack
 camera_auto_detect=1
 display_auto_detect=1
+
+# Config settings specific to arm64
 arm_64bit=1
 dtoverlay=dwc2"