New Alpha distribution improving the help message

Author: Julio Guerra

boot/Alpha.bin

@@ -4,6 +4,6 @@ cfg_rpi_fw_baseurl="https://github.com/raspberrypi/firmware/raw/$cfg_rpi_fw_vers
 cfg_sdcard_mountpoint='/tmp/rpi-sdcard-mountpoint'
 cfg_bootcode_download_sha256=db7bd566617565efe3bedfa4d69eaa2ab1d5d73b1de55c0d3bd67e879d2eb7e9
 cfg_start_download_sha256=38a00a91eeafe87ddec042e64025745760dcc77cac2bff0d87a28b11ddce871e
-cfg_alpha_sha256=b1166ac605f33fdf313dbf3d656305248e79130ab4f4a5017c731abefdafecca
+cfg_alpha_sha256=37569ef914ad3ea535d2d0054634f3137522502ab24648801c899be93d759a5b
 cfg_arm_toolchain_url=https://developer.arm.com/-/media/Files/downloads/gnu-rm/6-2016q4/gcc-arm-none-eabi-6_2-2016q4-20161216-linux.tar.bz2
 cfg_arm_toolchain_path_default=/opt/arm-none-eabi