rootfsinstall: rpi: fix and improvements in config.txt; cmdline.txt: set to enable ondemand governor at boot

src/rootfsinstall.sh

@@ -582,6 +582,7 @@ elif [ "$TARGETDEVICE" = "rpi" -o "$TARGETDEVICE" = "rpi64" ]; then
    # cmdline.txt : parameters passed to the kernel on boot
    echo "\
 dwc_otg.lpm_enable=0 \
+cpufreq.default_governor=ondemand \
 root=/dev/mmcblk0p2 rw \
 rootfstype=$SYSTEMFSTYPE \
 quiet \
@@ -592,23 +593,31 @@ $CMDLINE_ADD" > $BOOTMP/cmdline.txt
    # Create the kernel configuration file
    [ ! -e $ROOTMP/boot/config.txt ] && \
    echo "\
-[rp1]
+[pi1]
 arm_freq=800
-force_turbo=1
 gpu_mem=100
 disable_overscan=1
-[rp2]
+[pi2]
 gpu_mem=128
+[pi3]
+#arm_freq=1350
+#core_freq=500
+#over_voltage=4
+[pi4]
+#over_voltage=6
+#arm_freq=2000
+#gpu_freq=750
+gpu_mem=256
+dtoverlay=vc4-fkms-v3d
 [all]
 start_x=1
 framebuffer_depth=32
 framebuffer_ignore_alpha=1
-dtparam=audio=on" > $BOOTMP/config.txt
+dtparam=audio=on
+hdmi_force_hotplug=1" > $BOOTMP/config.txt
 
    if [ "$TARGETDEVICE" = "rpi64" ]; then
       echo "\
-gpu_mem=128
-dtoverlay=vc4-fkms-v3d
 arm_64bit=1" >> $BOOTMP/config.txt
    fi
    ## Enable HDMI mode rather than DVI, if required