meson: link LLVM 'native' component when LLVM is available

Linking against LLVM built with BUILD_SHARED_LIBS fails otherwise,
as the component is required for the draw module.

Reviewed-by: Dylan Baker <dylan@pnwbakers.com>

meson.build

@@ -1162,7 +1162,7 @@ endif
 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 llvm_optional_modules = []
 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
-  llvm_modules += ['amdgpu', 'bitreader', 'ipo']
+  llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
   if with_gallium_r600
     llvm_modules += 'asmparser'
   endif