Exclude Borland and NMake from the CMP0037 test.

They do not accept the colon in a target name.
Merge topic 'tll-target-policies' into next

d72ac5b Exclude Borland and NMake from the CMP0037 test.
Disallow invalid target names (#13140)

Exclude Borland and NMake from the CMP0037 test. They do not accept
the colon in a target name.
Disallow link-to-self (#13947).
Disallow linking to utility targets (#13902).
Merge topic 'tll-target-policies' into next

3c43e52 Disallow linking to utility targets (#13902).
2ef0f2f Disallow link-to-self (#13947).
47ad632 Disallow invalid target names (#13140)