There was a bashism in the script. This fixes the script so that it
doesn't actually require bash, and can be run with any POSIX shell as
its shebang suggests.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
# The contents of the main eMMC are identical to the SD card layout,
# with the preloader loading 512KiB of U-Boot starting at 0x50000.
-function usage() {
+usage() {
echo "SYNTAX: $0 sd <file> <preloader image> <u-boot image> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
echo " OR: $0 emmc <file> <preloader image>"
exit 1