Update 'patch' documentation for src, remote_src, backup and binary.
Update 'patch' documentation for src, remote_src, backup and binary.

The patch module has a few missing items, and inconsistencies, in its
documentation. A few of which are addressed here.

Within Ansible documentation, the choices for boolean values are
commonly 'yes', and 'no'. We standardise the options on that.

'remote_src' documentation uses 'False' and 'True' for its documentation,
so these have been updated in both the choices and default.

'src' documentation refers to 'remote_src', so is updated to use
the 'no' choice.

'backup' did not describe its options and default at all, so we add
them.

'binary' default used 'False', but specified the type as 'bool' which is
implicitly documented as 'yes'/'no', so we make that 'no' as well.

thaim/ansible,thaim/ansible