Allow the efr32 lock app to store credentials by type

[mykrupp]

Addresses #21656 and #25082

Tested on efr32 platform, ran through cert tests DRLK 2.9 and 2.11. Checked nvm storage still works.

[github-actions]

PR #25465: Size comparison from 0573c94 to b8c6859

Full report (1 build for cc32xx)

platform	target	config	section	0573c94	b8c6859	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	643465	643465	0	0.0
			(read/write)	203688	203688	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197088	197088	0	0.0
			.comment	194	194	0	0.0
			.data	1480	1480	0	0.0
			.debug_abbrev	930213	930213	0	0.0
			.debug_aranges	87336	87336	0	0.0
			.debug_frame	300024	300024	0	0.0
			.debug_info	20262928	20262928	0	0.0
			.debug_line	2657820	2657820	0	0.0
			.debug_loc	2800026	2800026	0	0.0
			.debug_ranges	282240	282240	0	0.0
			.debug_str	3023883	3023883	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	105929	105929	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	378514	378514	0	0.0
			.symtab	256560	256560	0	0.0
			.text	535412	535412	0	0.0

[github-actions]

PR #25465: Size comparison from 32fb896 to 5ae8e9f

Increases (1 build for cc32xx)

platform	target	config	section	32fb896	5ae8e9f	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	20262927	20262928	1	0.0

Full report (7 builds for cc32xx, mbed, nrfconnect, qpg)

platform	target	config	section	32fb896	5ae8e9f	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	643465	643465	0	0.0
			(read/write)	203688	203688	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197088	197088	0	0.0
			.comment	194	194	0	0.0
			.data	1480	1480	0	0.0
			.debug_abbrev	930213	930213	0	0.0
			.debug_aranges	87336	87336	0	0.0
			.debug_frame	300024	300024	0	0.0
			.debug_info	20262927	20262928	1	0.0
			.debug_line	2657822	2657822	0	0.0
			.debug_loc	2800026	2800026	0	0.0
			.debug_ranges	282240	282240	0	0.0
			.debug_str	3023883	3023883	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	105929	105929	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	378514	378514	0	0.0
			.symtab	256560	256560	0	0.0
			.text	535412	535412	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2467384	2467384	0	0.0
			.bss	215804	215804	0	0.0
			.data	5880	5880	0	0.0
			.text	1430028	1430028	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1167844	1167844	0	0.0
			bss	143423	143423	0	0.0
			rodata	136352	136352	0	0.0
			text	808236	808236	0	0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1112880	1112880	0	0.0
			bss	142579	142579	0	0.0
			rodata	113196	113196	0	0.0
			text	777384	777384	0	0.0
	all-clusters-app	nrf7002dk_nrf5340_cpuapp	(read only)	4	4	0	0.0
			(read/write)	1372848	1372848	0	0.0
			bss	105902	105902	0	0.0
			rodata	213740	213740	0	0.0
			text	767724	767724	0	0.0
qpg	lighting-app	qpg6105+debug	(read/write)	1151820	1151820	0	0.0
			.bss	99812	99812	0	0.0
			.data	852	852	0	0.0
			.text	598916	598916	0	0.0
	lock-app	qpg6105+debug	(read/write)	1118868	1118868	0	0.0
			.bss	96292	96292	0	0.0
			.data	864	864	0	0.0
			.text	565968	565968	0	0.0