The devel/llvm90 port fails to package when certain options are set in "make config"

PLIST needs to be updated to account for files that may have been disabled by the user.

====> Compressing man pages (compress-man)
===>   Installing ldconfig configuration file
===========================================================================
=======================<phase: package        >============================
===>  Building package for llvm90-9.0.0
pkg-static: Unable to access file /wrkdirs/usr/ports/devel/llvm90/work/stage/usr/local/llvm90/bin/clangd:No such file or directory
*** Error code 1

Stop.
make: stopped in /usr/ports/devel/llvm90

(Full log is 5MB, so not attached)

# This file is auto-generated by 'make config'.
# Options for llvm90-9.0.0
_OPTIONS_READ=llvm90-9.0.0
_FILE_COMPLETE_OPTIONS_LIST=BE_AMDGPU CLANG COMPILER_RT DOCS EXTRAS GOLD LIT LLD LLDB LLD_LINK OPENMP PYCLANG BE_FREEBSD BE_NATIVE BE_STANDARD
OPTIONS_FILE_SET+=BE_AMDGPU
OPTIONS_FILE_SET+=CLANG
OPTIONS_FILE_SET+=COMPILER_RT
OPTIONS_FILE_UNSET+=DOCS
OPTIONS_FILE_UNSET+=EXTRAS
OPTIONS_FILE_UNSET+=GOLD
OPTIONS_FILE_UNSET+=LIT
OPTIONS_FILE_SET+=LLD
OPTIONS_FILE_UNSET+=LLDB
OPTIONS_FILE_SET+=LLD_LINK
OPTIONS_FILE_UNSET+=OPENMP
OPTIONS_FILE_UNSET+=PYCLANG
OPTIONS_FILE_UNSET+=BE_FREEBSD
OPTIONS_FILE_SET+=BE_NATIVE
OPTIONS_FILE_UNSET+=BE_STANDARD