dim: Use ssh:// for mainline kernel
If the user does dim setup
with DIM_PREFERRED_PROTOCOL=ssh
, then the
step to clone the mainline kernel repository fails because we are using
the "git@..." syntax instead of "ssh://git@...". Let's make sure to use
the latter to avoid those errors.
Signed-off-by: Gustavo Sousa gustavo.sousa@intel.com