[PATCH v2 07/11] kexec_file: Remove unneeded for-loop in kexec_purgatory_setup_sechdrs

To update the entry point there is an extra loop over all section headers although this can be done in the main loop. So move it there and eliminate the extra loop and variable to store the 'entry section index'. Also, in the main loop, move the usual case, i.e. non-bss section, out of the extra

[PATCH v2 07/11] kexec_file: Remove unneeded for-loop in kexec_purgatory_setup_sechdrs

To update the entry point there is an extra loop over all section headers although this can be done in the main loop. So move it there and eliminate the extra loop and variable to store the 'entry section index'. Also, in the main loop, move the usual case, i.e. non-bss section, out of the extra