makedumpfile: upgrade 1.7.5 -> 1.7.6

makedumpfile: upgrade 1.7.5 -> 1.7.6

0001-makedumpfile-replace-hardcode-CFLAGS.patch
refreshed for 1.7.6

Changelog:
============
- Fix incorrect page exclusion in exclude_nodata_pages()
- s390x: Assume zero value of OS_INFO pointer is valid
- Submit physical address to is_phys_addr()
- sadump_info: Return empty string instead of NULL
- Add ftruncate error handling
- Fix failure of free pages exclusion with -x option on Linux 6.10
- fix comment: Mention current logic for vmalloc_start
- make reserve_diskspace do nothing for flattened format
- Workaround for segfault by "makedumpfile --mem-usage" on PPC64
- Fix wrong exclusion of Slab pages on Linux 6.10-rc1 and later
- Fix failure of hugetlb pages exclusion on Linux 6.9 and later
- Makefile: Make sbin directory configurable
- Update maintainers
- ppc64: get vmalloc start address from vmcoreinfo
- ppc64: read cur_mmu_type from vmcoreinfo
- add PRINTK_CALLER id support to --dump-dmesg option
- s390x: uncouple virtual and physical address spaces
- s390x: fix virtual vs physical address confusion

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>