scripts/tags.sh: improve compiled sources generation

Use grep instead of sed for all compiled sources generation, it is three
times more efficient.

Signed-off-by: Jialu Xu <xujialu@vimux.org>
Tested-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20230601010402.71040-1-xujialu@vimux.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>