Based on Kobo-Reader repository's one from GitHub.
Changes:
	- U-Boot can now load a second kernel at sector 19456 of the MMC when the Home button is pressed at boot on the Kobo Touch N905C. It boots the default one at sector 2048 otherwise.
	- Miscellanous other changes

Added security measure to enforce remounting of /mnt/kobo/inkbox every time
Corrected an annoying typo