README: Fix typo RC422 -> RC522 #1

Job	Run time
bookworm armv7 / build	17m 24s
bullseye armv7 / build	17m 11s
bullseye armv7 / test (pi, run_installation_classic.sh)	3m 22s
bullseye armv7 / test (pi, run_installation_rfid.sh)	2m 59s
bullseye armv7 / test (pi, run_installation_spotify.sh)	3m 48s
bullseye armv7 / test (pi, run_installation_staticip_dhcpcd.sh)	2m 58s
bullseye armv7 / test (pi, run_installation_autohotspot_dhcpcd.sh)	2m 49s
bullseye armv7 / test (pi, run_installation_autohotspot_NetworkManager.sh)	2m 57s
bullseye armv7 / test (hans, run_installation_classic.sh)	1m 4s
bookworm armv7 / test (pi, run_installation_classic.sh)	2m 45s
bookworm armv7 / test (pi, run_installation_rfid.sh)	2m 47s
bookworm armv7 / test (pi, run_installation_spotify.sh)	3m 40s
bookworm armv7 / test (pi, run_installation_staticip_dhcpcd.sh)	2m 40s
bookworm armv7 / test (pi, run_installation_autohotspot_dhcpcd.sh)	2m 42s
bookworm armv7 / test (pi, run_installation_autohotspot_NetworkManager.sh)	2m 45s
bookworm armv7 / test (hans, run_installation_classic.sh)	46s
bullseye armv7 / cleanup	0s
bookworm armv7 / cleanup	0s
	1h 12m 37s

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