[Silabs] Rename sources files

[jepenven-silabs]

Change file name to PascalCase

[github-actions]

PR #26315: Size comparison from c9a6c1d to 4362308

Decreases (1 build for cc32xx)

platform	target	config	section	c9a6c1d	4362308	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	19535976	19535974	-2	-0.0

Full report (1 build for cc32xx)

platform	target	config	section	c9a6c1d	4362308	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	602970	602970	0	0.0
			(read/write)	204156	204156	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197568	197568	0	0.0
			.comment	206	206	0	0.0
			.data	1468	1468	0	0.0
			.debug_abbrev	956979	956979	0	0.0
			.debug_aranges	103664	103664	0	0.0
			.debug_frame	350856	350856	0	0.0
			.debug_info	19535976	19535974	-2	-0.0
			.debug_line	2685310	2685310	0	0.0
			.debug_line_str	513	513	0	0.0
			.debug_loc	33340	33340	0	0.0
			.debug_loclists	1510189	1510189	0	0.0
			.debug_ranges	4984	4984	0	0.0
			.debug_rnglists	96278	96278	0	0.0
			.debug_str	3059525	3059525	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104250	104250	0	0.0
			.shstrtab	265	265	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	481887	481887	0	0.0
			.symtab	287248	287248	0	0.0
			.text	496596	496596	0	0.0

[github-actions]

PR #26315: Size comparison from c9a6c1d to 771881a

Decreases (1 build for cc32xx)

platform	target	config	section	c9a6c1d	771881a	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	19535976	19535975	-1	-0.0

Full report (1 build for cc32xx)

platform	target	config	section	c9a6c1d	771881a	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	602970	602970	0	0.0
			(read/write)	204156	204156	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197568	197568	0	0.0
			.comment	206	206	0	0.0
			.data	1468	1468	0	0.0
			.debug_abbrev	956979	956979	0	0.0
			.debug_aranges	103664	103664	0	0.0
			.debug_frame	350856	350856	0	0.0
			.debug_info	19535976	19535975	-1	-0.0
			.debug_line	2685310	2685310	0	0.0
			.debug_line_str	513	513	0	0.0
			.debug_loc	33340	33340	0	0.0
			.debug_loclists	1510189	1510189	0	0.0
			.debug_ranges	4984	4984	0	0.0
			.debug_rnglists	96278	96278	0	0.0
			.debug_str	3059525	3059525	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104250	104250	0	0.0
			.shstrtab	265	265	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	481887	481887	0	0.0
			.symtab	287248	287248	0	0.0
			.text	496596	496596	0	0.0