main/llvm11: skip broken symlink
llvm11 making synlink to lit
which is broken for llvm11
Ref https://pkgs.alpinelinux.org/contents?file=lit&path=&name=&branch=edge
~/aports/main/llvm11 $ sudo apk add llvm11-test-utils
...
~/aports/main/llvm11 $ ls -la /usr/lib/llvm11/bin/
total 696
drwxr-xr-x 2 root root 4096 Jul 18 22:05 .
drwxr-xr-x 3 root root 4096 Jul 18 22:05 ..
-rwxr-xr-x 1 root root 520568 Apr 9 17:02 FileCheck
-rwxr-xr-x 1 root root 14032 Apr 9 17:02 count
lrwxrwxrwx 1 root root 16 Jul 18 22:05 lit -> ../../../bin/lit
-rwxr-xr-x 1 root root 161832 Apr 9 17:02 not
~/aports/main/llvm11 $ /usr/lib/llvm11/bin/lit
ash: /usr/lib/llvm11/bin/lit: not found