The update is required to include 3c3ca64b5f0dd9eef7b1ce1c65cc6e8e9147dd38
otherwise baremetal does not on VExpress.
baremetal: create a baremetal setup with crosstool-ng
buildroot: improve directory location: move out/dl inside
out/buildroot/download, and add a new out/buildroot/build level
tagline: generalize, deliver more value than howto, since now howtos
are starting to multiply
rename all top scripts to separate words with hyphen more consistently,
e.g. run-gdb instead of rungdb
getvar: list all variables
gem5: make m5out section to focus all releated information at
Prevent m5term Text file busy when rebuilding gem5 while it is running.