Fix `CLASS` for fill_diode LEF files.

Replace `CLASS SPACER` with `CLASS CORE SPACER`.

Fixes https://github.com/google/skywater-pdk/issues/141.

Updating submodules on 2020-11-17 16:43:23 UTC

 - Updating [`sky130_fd_sc_hs` latest](https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_sc_hs/+/v0.0.2-48-g98372f07..v0.0.2-50-g1d051f49) to v0.0.2-50-g1d051f49
 - Updating [`sky130_fd_sc_hs` v0.0.1](https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_sc_hs/+/v0.0.1-24-g7ad9f328..v0.0.1-25-g81f50340) to v0.0.1-25-g81f50340
 - Updating [`sky130_fd_sc_hs` v0.0.2](https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_sc_hs/+/v0.0.2-48-g98372f07..v0.0.2-50-g1d051f49) to v0.0.2-50-g1d051f49
 - Updating [`sky130_fd_sc_ms` latest](https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_sc_ms/+/v0.0.2-52-g390bbc90..v0.0.2-54-gae1b7f68) to v0.0.2-54-gae1b7f68
 - Updating [`sky130_fd_sc_ms` v0.0.1](https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_sc_ms/+/v0.0.1-26-ge1bcbf8e..v0.0.1-27-g14d70b1f) to v0.0.1-27-g14d70b1f
 - Updating [`sky130_fd_sc_ms` v0.0.2](https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_sc_ms/+/v0.0.2-52-g390bbc90..v0.0.2-54-gae1b7f68) to v0.0.2-54-gae1b7f68

 * libraries/sky130_fd_sc_hs/latest 98372f0...1d051f4 (1):
   > Fix `CLASS` for fill_diode LEF files.

 * libraries/sky130_fd_sc_hs/v0.0.1 7ad9f32...81f5034 (1):
   > Fix `CLASS` for fill_diode LEF files.

 * libraries/sky130_fd_sc_hs/v0.0.2 98372f0...1d051f4 (1):
   > Fix `CLASS` for fill_diode LEF files.

 * libraries/sky130_fd_sc_ms/latest 390bbc9...ae1b7f6 (1):
   > Fix `CLASS` for fill_diode LEF files.

 * libraries/sky130_fd_sc_ms/v0.0.1 e1bcbf8...14d70b1 (1):
   > Fix `CLASS` for fill_diode LEF files.

 * libraries/sky130_fd_sc_ms/v0.0.2 390bbc9...ae1b7f6 (1):
   > Fix `CLASS` for fill_diode LEF files.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
6 files changed