gpio updates for v5.6

- improvements in the gpio-pca953x driver
- use platform_irq_count() in gpio-mvebu and gpio-bcm-kona
- remove unneeded MODULE_VERSION() usage in the gpio directory
- irq-related improvements in gpio-tegra driver
- several improvements for the core subsystem code: fix confusing indentation,
  fix int type casting, unduplicate code in several places
-----BEGIN PGP SIGNATURE-----
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=ia2k
-----END PGP SIGNATURE-----