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Reduce the size of the windows installer by removing the optional components. It will now just contain the MSD firmware drive, the new mass-storage gadget (for writing NVMe) and the recovery. The optional components including secure-boot-example and the Raspberry Pi Image can be downloaded from Github without rebuilding this installer. Add a helper batch file and shortcut for launching the mass-storage-gadget.
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This also resolve a startup issue CM4-S
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Include the new imager applications and fix the recursive File operations to stop the installer pulling in the .git directory.
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Initial BETA release for secure-boot. secure-boot adds two new sub-directory to usbboot: * secure-boot-recovery is used to create an EEPROM signed with the customer's RSA private key and configures the 2711 OTP settings permenantely require signed boot images. See secure-boot-recovery/README.md * Once secure-boot is enabled the CM4 MSD mode firmware must also be signed with the customer's RSA private key. See secure-boot-msd/README.md N.B The revoke_devkey and program_jtag_lock are NOT enabled in this initial BETA release.
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* Add 2711 bootcode and FW binaries with the 4 suffix. * Use the device descriptor to select the correct bootcode and hack it so that bootcode.bin translates to bootcode4.bin on a Pi4 allowing the files to remain in the same directory. * Add the latest best for recovery.bin and pieeprom.bin for CM4 * Update the installer. Move the second stage preparation until after the device descriptor has been retrieved because BCM2711 needs a different bootcode.bin. If the '-d' argument specified then check for bootcode.bin in the specified directory and don't fail over to the embedded fmem files. Remove the default 'msd' directory and the references to /usr/share because the behaviour conflicts with the original change to use the fmem files.
