Add an option for swap abxy buttons #1055

Job	Run time
version	5s
build-macos (IntelChip, IntelChip)	3m 11s
build-ps4	6m 13s
build-switch (opengl)	4m 15s
build-macos (IntelChip_Old, IntelChip_10.11)	3m 25s
build-switch (deko3d)	4m 16s
build-macos (AppleSilicon, AppleSilicon)	2m 55s
build-win (x86_64, gl)	10m 53s
build-macos (Universal, Universal)	37s
build-win (x86_64, d3d)	10m 19s
build-win (x86, gl)	9m 27s
build-win (x86, d3d)	9m 19s
build-flatpak (x86_64, gl)	9m 16s
build-flatpak (aarch64, gl)	2m 12s
build-psv	9m 57s
build-flatpak (aarch64, gles2)	2m 8s
release	5s
	1h 28m 33s

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