Meson: Add llvm>=9 modules

Fixes build with MinGW, with shared LLVM and lto
/tmp/opengl32.dll.BxiIYm.ltrans59.ltrans.o:<artificial>:(.text+0x1674): undefined reference to `LLVMAddInstructionCombiningPass'

See also scons/llvm.py

Acked-by: Dylan Baker <dylan@pnwbakers.com>
diff --git a/meson.build b/meson.build
index 69d1564..9585807 100644
--- a/meson.build
+++ b/meson.build
@@ -1356,7 +1356,7 @@
   endif
 endif
 
-llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
+llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
 llvm_optional_modules = ['coroutines']
 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']