devtool: find-recipe: enable new subcommand for devtool

devtool: find-recipe: enable new subcommand for devtool

devtool find-recipe will prints out the path to the recipe
in a workspace.

This subcommand can also help to find recipe outside of
current workspace using "-a" or "--any-recipe" option.

This enhancement helps developer to get the recipe path
when working with devtool.

[YOCTO #11434]

Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>