Add SPDX identifier to the gitignore. Remove the comment and .i file
since the file it references was removed in another patch. This patch
depends on Min-Hua Chen's 'pm: cpupower: rename raw_pylibcpupower.i'.
Signed-off-by: John B. Wyatt IV <jwyatt@xxxxxxxxxx>
Signed-off-by: John B. Wyatt IV <sageofredondo@xxxxxxxxx>
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Changes in v2:
- Rewrote commit description to use the paragraph format.