Add missing documentation for some -f, -g, and -W options [PR122243] [PR120064]

Add missing documentation for some -f, -g, and -W options [PR122243] [PR120064]

gcc/ChangeLog
	PR other/122243
	PR rtl-optimization/120064
	* doc/invoke.texi: Document -fconcepts-diagnostics-depth,
	-Wdeprecated-copy-dtor, -Wformat-diag, -Wcannot-profile,
	-fvar-tracking-uninit, -gno-pubnames, -finline-atomics,
	-fext-dce, -fipa-icf-functions, -fipa-icf-variables,
	-fprofile, -fdump-internal-locations, and -Wopenacc-dims.
	Minor copy-editing and rearrangement of items in the option
	summary lists.