[Bug target/118768] [avr] Make genmultilib.awk more robust against white spaces

[gjl at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118768

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |118764
             Target|                            |avr
   Target Milestone|---                         |15.0


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118764
[Bug 118764] [avr] Add support for Compact Vector Table