[L] Change in libosmocore[master]: add jhash.h, copied from linux/jhash.h

neels has posted comments on this change. ( https://gerrit.osmocom.org/c/libosmocore/+/36913?usp=email )

Change subject: add jhash.h, copied from linux/jhash.h ......................................................................

Patch Set 1:

(1 comment)

File include/osmocom/core/jhash.h:

https://gerrit.osmocom.org/c/libosmocore/+/36913/comment/64140e98_c7e682b4 PS1, Line 100: c += osmo_load32le(k + 8); RFC, I am uncertain here:

These calls were originally __get_unaligned_cpu32(). osmo_load32le() might be a suboptimal implementation. Any opinions / insights?