License-Update: Copyright year updated to 2023.
Changelog:
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* Add support for SH1107 greyscale OLED
* Fix SSD1322 NHD initialization and encode each pixel as 4bit+4bit
identical nibbles
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>