[VIM] Ensure the BASH shell is used by plugins
[VIM] Ensure the BASH shell is used by plugins

Other shells, e.g. zsh, could make misbehaving some plugins, e.g.
dynamic_cscope.

Signed-off-by: Patrick Bellasi <431c86f368affbc3148c4669fbd465131f7e82cb@arm.com>

derkling/dotfiles,derkling/dotfiles,derkling/dotfiles,derkling/dotfiles