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linux-postmarketos-exynos4: disable or convert options to modules

Administrator requested to merge exynos4-boot.img-size-decrease into master

To make boot.img smaller. With changes in pmaports!5544 we get a boot.img larger than the boot partition (8 MB). With these changes we are down to around 7.8 MB, and hence have some margin again.

Noteable config changes:

  • Disable max14577/max77836 stuff, is only used by some Exynos 3 devices
  • Disable tps65090 driver and a few SND_SOC options that are only used by Exynos 5 devices

Tested on exynos4210-i9100 and exynos4412-m3, boots fine as long as rtc's and regulators are built-in. Still needs to be tested on exynos4412-odroid-u2 and one of the tablets and note devices, so draft for now.

This MR replaces the linux-postmarketos-exynos4 changes in https://gitlab.com/postmarketOS/pmaports/-/merge_requests/5544.

CC: @Newbyte, @knuxify

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