Log the onboarding codes in the esp32 bridge-app example.

[bzbarsky-apple]

Fixes #26152

[github-actions]

PR #26156: Size comparison from 8deb4ff to d1db9f9

Increases (1 build for cc32xx)

platform	target	config	section	8deb4ff	d1db9f9	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	20330829	20330830	1	0.0

Full report (5 builds for cc32xx, mbed, nrfconnect)

platform	target	config	section	8deb4ff	d1db9f9	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	643249	643249	0	0.0
			(read/write)	203848	203848	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197248	197248	0	0.0
			.comment	194	194	0	0.0
			.data	1480	1480	0	0.0
			.debug_abbrev	933224	933224	0	0.0
			.debug_aranges	87792	87792	0	0.0
			.debug_frame	302140	302140	0	0.0
			.debug_info	20330829	20330830	1	0.0
			.debug_line	2687904	2687904	0	0.0
			.debug_loc	2838960	2838960	0	0.0
			.debug_ranges	288072	288072	0	0.0
			.debug_str	3042335	3042335	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104401	104401	0	0.0
			.shstrtab	232	232	0	0.0
			.stab	204	204	0	0.0
			.stabstr	441	441	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	377963	377963	0	0.0
			.symtab	256976	256976	0	0.0
			.text	536728	536728	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2466336	2466336	0	0.0
			.bss	215960	215960	0	0.0
			.data	5888	5888	0	0.0
			.text	1428980	1428980	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1173892	1173892	0	0.0
			bss	155557	155557	0	0.0
			rodata	132740	132740	0	0.0
			text	804836	804836	0	0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1119140	1119140	0	0.0
			bss	154713	154713	0	0.0
			rodata	109556	109556	0	0.0
			text	774228	774228	0	0.0
	all-clusters-app	nrf7002dk_nrf5340_cpuapp	(read only)	4	4	0	0.0
			(read/write)	1433952	1433952	0	0.0
			bss	135297	135297	0	0.0
			rodata	228784	228784	0	0.0
			text	775788	775788	0	0.0