- Update to version 1.6.7:
+ Makefile: remove -lebl from LIBS when no libebl.a.
+ Fix compilation warnings on 32-bit system.
+ Support newer kernels up to v5.4.
- Drop makedumpfile-Increase-SECTION_MAP_LAST_BIT-to-4.patch: fixed
upstream.

- Drop libebl-devel BuildRequires: ebl is being absorbed by libdw.