[lighting-app] Put application-specific config file to override the default configuration values

[yufengwangca]

Currently, lighting-app always use default configuration values for general CHIP features on ESP32 platform. Add an application-specific config file to allow vendor to override the default configuration values

[github-actions]

PR #26109: Size comparison from 533f84c to e6d4be7

Full report (1 build for cc32xx)

platform	target	config	section	533f84c	e6d4be7	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	20328411	20328411	0	0.0
			.debug_line	2687890	2687890	0	0.0
			.debug_loc	2838930	2838930	0	0.0
			.debug_ranges	288072	288072	0	0.0
			.debug_str	3042155	3042155	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

[andy31415]

@yufengwangca could you add more details why we want to allow overriding?

is this done for other apps typically or what caused this to be required? Why are platform-wide settings not working?

[github-actions]

PR #26109: Size comparison from 533f84c to 75c03d7

Full report (1 build for cc32xx)

platform	target	config	section	533f84c	75c03d7f	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	20328411	20328411	0	0.0
			.debug_line	2687890	2687890	0	0.0
			.debug_loc	2838930	2838930	0	0.0
			.debug_ranges	288072	288072	0	0.0
			.debug_str	3042155	3042155	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